Add some new commands for the Crawl4ai script transpiler and creating an interactive tutorial that allows users to go through multiple steps and apply the syntax to automate the page. Fixed some issues and add several new commands for setting input values, variables, clearing input fields, and more.

docs/examples/c4a_script/tutorial/scripts/04-multi-step-form.c4a

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+# Multi-step Form Wizard
+# Complete a complex form with multiple steps
+
+# Navigate to forms section
+CLICK `a[href="#forms"]`
+WAIT `#survey-form` 2
+
+# Step 1: Basic Information
+CLICK `#full-name`
+TYPE "John Doe"
+
+CLICK `#survey-email`  
+TYPE "john.doe@example.com"
+
+# Go to next step
+CLICK `.next-step`
+WAIT 1
+
+# Step 2: Select Interests
+# Select multiple options
+CLICK `#interests`
+CLICK `option[value="tech"]`
+CLICK `option[value="music"]`
+CLICK `option[value="travel"]`
+
+# Continue to final step
+CLICK `.next-step`
+WAIT 1
+
+# Step 3: Review and Submit
+# Verify we're on the last step
+IF (EXISTS `#submit-survey`) THEN EVAL `console.log('📋 On final step')`
+
+# Submit the form
+CLICK `#submit-survey`
+
+# Wait for success message
+WAIT `.success-message` 5
+
+# Verify submission
+IF (EXISTS `.success-message`) THEN EVAL `console.log('✅ Survey submitted successfully!')`