Add C4A-Script support and documentation

- Generate OneShot js code geenrator
- Introduced a new C4A-Script tutorial example for login flow using Blockly.
- Updated index.html to include Blockly theme and event editor modal for script editing.
- Created a test HTML file for testing Blockly integration.
- Added comprehensive C4A-Script API reference documentation covering commands, syntax, and examples.
- Developed core documentation for C4A-Script, detailing its features, commands, and real-world examples.
- Updated mkdocs.yml to include new C4A-Script documentation in navigation.

docs/examples/c4a_script/script_samples/add_to_cart.c4a

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+GO https://store.example.com/product/laptop
+WAIT `.product-details` 8
+CLICK `button.add-to-cart`
+WAIT `.cart-notification` 3
+CLICK `.cart-icon`
+WAIT `.checkout-btn` 5
+CLICK `.checkout-btn`

docs/examples/c4a_script/script_samples/advanced_control_flow.c4a

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+# Advanced control flow with IF, EXISTS, and REPEAT
+
+# Define reusable procedures
+PROC handle_cookie_banner
+  IF (EXISTS `.cookie-banner`) THEN CLICK `.accept-cookies`
+  IF (EXISTS `.privacy-notice`) THEN CLICK `.dismiss-privacy`
+ENDPROC
+
+PROC scroll_to_load
+  SCROLL DOWN 500
+  WAIT 0.5
+ENDPROC
+
+PROC try_login
+  CLICK `#email`
+  TYPE "user@example.com"
+  CLICK `#password`
+  TYPE "secure123"
+  CLICK `button[type="submit"]`
+  WAIT 2
+ENDPROC
+
+# Main script
+GO https://example.com
+WAIT 2
+
+# Handle popups
+handle_cookie_banner
+
+# Conditional navigation based on login state
+IF (EXISTS `.user-menu`) THEN CLICK `.dashboard-link` ELSE try_login
+
+# Repeat scrolling based on content count
+REPEAT (scroll_to_load, 5)
+
+# Load more content while button exists
+REPEAT (CLICK `.load-more`, `document.querySelector('.load-more') && !document.querySelector('.no-more-content')`)
+
+# Process items conditionally
+IF (`document.querySelectorAll('.item').length > 10`) THEN EVAL `console.log('Found ' + document.querySelectorAll('.item').length + ' items')`
+
+# Complex condition with viewport check
+IF (`window.innerWidth < 768 && document.querySelector('.mobile-menu')`) THEN CLICK `.mobile-menu-toggle`

docs/examples/c4a_script/script_samples/conditional_login.c4a

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+GO https://myapp.com
+WAIT 2
+IF (EXISTS `.user-avatar`) THEN CLICK `.logout` ELSE CLICK `.login`
+WAIT `#auth-form` 5
+IF (EXISTS `#auth-form`) THEN TYPE "user@example.com"
+IF (EXISTS `#auth-form`) THEN PRESS Tab
+IF (EXISTS `#auth-form`) THEN TYPE "password123"
+IF (EXISTS `#auth-form`) THEN CLICK `button[type="submit"]`

docs/examples/c4a_script/script_samples/data_extraction.c4a

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+# Data extraction example
+# Scrapes product information from an e-commerce site
+
+# Navigate to products page
+GO https://shop.example.com/products
+WAIT `.product-list` 10
+
+# Scroll to load lazy-loaded content
+SCROLL DOWN 500
+WAIT 1
+SCROLL DOWN 500
+WAIT 1
+SCROLL DOWN 500
+WAIT 2
+
+# Extract product data
+EVAL `
+  // Extract all product information
+  const products = Array.from(document.querySelectorAll('.product-card')).map((card, index) => {
+    return {
+      id: index + 1,
+      name: card.querySelector('.product-title')?.textContent?.trim() || 'N/A',
+      price: card.querySelector('.price')?.textContent?.trim() || 'N/A',
+      rating: card.querySelector('.rating')?.textContent?.trim() || 'N/A',
+      availability: card.querySelector('.in-stock') ? 'In Stock' : 'Out of Stock',
+      image: card.querySelector('img')?.src || 'N/A'
+    };
+  });
+
+  // Log results
+  console.log('=== Product Extraction Results ===');
+  console.log('Total products found:', products.length);
+  console.log(JSON.stringify(products, null, 2));
+  
+  // Save to localStorage for retrieval
+  localStorage.setItem('scraped_products', JSON.stringify(products));
+`
+
+# Optional: Click on first product for details
+CLICK `.product-card:first-child`
+WAIT `.product-details` 5
+
+# Extract detailed information
+EVAL `
+  const details = {
+    description: document.querySelector('.product-description')?.textContent?.trim(),
+    specifications: Array.from(document.querySelectorAll('.spec-item')).map(spec => ({
+      label: spec.querySelector('.spec-label')?.textContent,
+      value: spec.querySelector('.spec-value')?.textContent
+    })),
+    reviews: document.querySelector('.review-count')?.textContent
+  };
+  
+  console.log('=== Product Details ===');
+  console.log(JSON.stringify(details, null, 2));
+`

docs/examples/c4a_script/script_samples/fill_contact.c4a

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+GO https://company.com/contact
+WAIT `form#contact` 10
+TYPE "John Smith"
+PRESS Tab
+TYPE "john@email.com"
+PRESS Tab
+TYPE "Need help with my order"
+CLICK `button[type="submit"]`

docs/examples/c4a_script/script_samples/load_more_content.c4a

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+GO https://news.example.com
+WAIT `.article-list` 5
+REPEAT (SCROLL DOWN 500, 3)
+WAIT 1
+REPEAT (CLICK `.load-more`, `document.querySelector('.load-more') !== null`)
+WAIT 2
+IF (`document.querySelectorAll('.article').length > 20`) THEN EVAL `console.log('Loaded enough articles')`

docs/examples/c4a_script/script_samples/login_flow.c4a

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+# Login flow with error handling
+# Demonstrates procedures, variables, and conditional checks
+
+# Define login procedure
+PROC perform_login
+  CLICK `input#email`
+  TYPE $email
+  CLICK `input#password`
+  TYPE $password
+  CLICK `button.login-submit`
+ENDPROC
+
+# Set credentials
+SET email = "user@example.com"
+SET password = "securePassword123"
+
+# Navigate to login page
+GO https://app.example.com/login
+WAIT `.login-container` 15
+
+# Attempt login
+perform_login
+
+# Wait for page to load
+WAIT 3
+
+# Check if login was successful
+EVAL `
+  if (document.querySelector('.dashboard')) {
+    console.log('Login successful - on dashboard');
+  } else if (document.querySelector('.error-message')) {
+    console.log('Login failed:', document.querySelector('.error-message').textContent);
+  } else {
+    console.log('Unknown state after login');
+  }
+`

docs/examples/c4a_script/script_samples/multi_step_workflow.c4a

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+# Multi-step e-commerce workflow
+# Complete purchase flow with procedures and error handling
+
+# Reusable procedures
+PROC search_product
+  CLICK `input.search-bar`
+  TYPE $search_term
+  PRESS Enter
+  WAIT `.search-results` 10
+ENDPROC
+
+PROC add_first_item_to_cart
+  CLICK `.product-item:first-child .add-to-cart`
+  WAIT ".added-to-cart-notification" 3
+ENDPROC
+
+PROC go_to_checkout
+  CLICK `.cart-icon`
+  WAIT `.cart-drawer` 5
+  CLICK `button.proceed-to-checkout`
+  WAIT `.checkout-page` 10
+ENDPROC
+
+PROC fill_customer_info
+  # Billing information
+  CLICK `#billing-firstname`
+  TYPE $first_name
+  CLICK `#billing-lastname`
+  TYPE $last_name
+  CLICK `#billing-email`
+  TYPE $email
+  CLICK `#billing-phone`
+  TYPE $phone
+  
+  # Address
+  CLICK `#billing-address`
+  TYPE $address
+  CLICK `#billing-city`
+  TYPE $city
+  CLICK `#billing-state`
+  TYPE $state
+  CLICK `#billing-zip`
+  TYPE $zip
+ENDPROC
+
+PROC select_shipping
+  CLICK `input[value="standard"]`
+  WAIT 1
+ENDPROC
+
+# Set all required variables
+SET search_term = "wireless headphones"
+SET first_name = "John"
+SET last_name = "Doe"
+SET email = "john.doe@example.com"
+SET phone = "555-0123"
+SET address = "123 Main Street"
+SET city = "San Francisco"
+SET state = "CA"
+SET zip = "94105"
+
+# Main workflow starts here
+GO https://shop.example.com
+WAIT `.homepage-loaded` 10
+
+# Step 1: Search and add to cart
+search_product
+EVAL `console.log('Found', document.querySelectorAll('.product-item').length, 'products')`
+add_first_item_to_cart
+
+# Add a second item
+CLICK `.product-item:nth-child(2) .add-to-cart`
+WAIT 2
+
+# Step 2: Go to checkout
+go_to_checkout
+
+# Step 3: Fill customer information
+fill_customer_info
+
+# Step 4: Select shipping method
+select_shipping
+
+# Step 5: Continue to payment
+CLICK `button.continue-to-payment`
+WAIT `.payment-section` 10
+
+# Log order summary
+EVAL `
+  const orderTotal = document.querySelector('.order-total')?.textContent;
+  const itemCount = document.querySelectorAll('.order-item').length;
+  console.log('=== Order Summary ===');
+  console.log('Items:', itemCount);
+  console.log('Total:', orderTotal);
+  
+  // Get all items
+  const items = Array.from(document.querySelectorAll('.order-item')).map(item => ({
+    name: item.querySelector('.item-name')?.textContent,
+    quantity: item.querySelector('.item-quantity')?.textContent,
+    price: item.querySelector('.item-price')?.textContent
+  }));
+  console.log('Items:', JSON.stringify(items, null, 2));
+`
+
+# Note: Stopping here before actual payment submission
+EVAL `console.log('Workflow completed - stopped before payment submission')`

docs/examples/c4a_script/script_samples/navigate_tabs.c4a

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+GO https://app.example.com
+WAIT `.nav-menu` 8
+CLICK `a[href="/products"]`
+WAIT 2
+CLICK `a[href="/about"]`
+WAIT 2
+BACK
+WAIT 1

docs/examples/c4a_script/script_samples/quick_login.c4a

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+GO https://myapp.com/login
+WAIT `input#email` 5
+CLICK `input#email`
+TYPE "user@example.com"
+PRESS Tab
+TYPE "password123"
+CLICK `button.login-btn`
+WAIT `.dashboard` 10

docs/examples/c4a_script/script_samples/responsive_actions.c4a

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+GO https://responsive.site.com
+WAIT 2
+IF (`window.innerWidth < 768`) THEN CLICK `.mobile-menu`
+IF (`window.innerWidth < 768`) THEN WAIT `.mobile-nav` 3
+IF (`window.innerWidth >= 768`) THEN CLICK `.desktop-menu li:nth-child(2)`
+REPEAT (CLICK `.next-slide`, 5)
+IF (EXISTS `.cookie-banner`) THEN CLICK `.accept-cookies`

docs/examples/c4a_script/script_samples/scroll_and_click.c4a

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+GO https://news.site.com
+WAIT `.article-list` 10
+SCROLL DOWN 500
+WAIT 1
+SCROLL DOWN 500
+WAIT 1
+CLICK `.article:nth-child(5)`
+WAIT `.article-content` 5

docs/examples/c4a_script/script_samples/search_product.c4a

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+GO https://shop.example.com
+WAIT `.search-bar` 10
+CLICK `.search-bar`
+TYPE "wireless headphones"
+PRESS Enter
+WAIT `.results` 5
+CLICK `.product-card:first-child`

docs/examples/c4a_script/script_samples/simple_form.c4a

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+# Simple form submission example
+# This script fills out a contact form and submits it
+
+GO https://example.com/contact
+WAIT `form#contact-form` 10
+
+# Fill out the form fields
+CLICK `input[name="name"]`
+TYPE "Alice Smith"
+PRESS Tab
+TYPE "alice@example.com"
+PRESS Tab
+TYPE "I'd like to learn more about your services"
+
+# Submit the form
+CLICK `button[type="submit"]`
+
+# Wait for success message
+WAIT "Thank you for your message" 5

docs/examples/c4a_script/script_samples/smart_form_fill.c4a

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+PROC fill_field
+  TYPE "test@example.com"
+  PRESS Tab
+ENDPROC
+
+GO https://forms.example.com
+WAIT `form` 5
+IF (EXISTS `input[type="email"]`) THEN CLICK `input[type="email"]`
+IF (EXISTS `input[type="email"]`) THEN fill_field
+REPEAT (PRESS Tab, `document.activeElement.type !== 'submit'`)
+CLICK `button[type="submit"]`