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/conditional_login.c4a

@@ -0,0 +1,8 @@
+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"]`