Upgrade Unity Integration with Modern Composables and Documentation

[teogor]

Upgrade Unity Integration with Modern Composables and Documentation

This pull request delivers a significant upgrade to Unity integration within the Compose UI:

1. Powerful New Composable Functions:

• Deprecated UvpComposable: Marked as deprecated for clarity and consistency.
• Introduced UnityEngineView:
  • Displays the Unity Engine instance within Compose.
  • Manages lifecycle events seamlessly.
  • Offers a callback for Unity Engine creation.
• Added UnityEngineScaffold:
  • Simplifies layout creation with Unity Engine and additional content.
  • Provides flexible modifiers for customization.

2. Comprehensive Documentation:

• Clear explanations for UnityEngineView and UnityEngineScaffold usage.
• Detailed descriptions of parameters and functionality.
• Guidance on best practices and integration scenarios.

Benefits:

• Enhanced Composable Experience: More intuitive and powerful composables for Unity integration.
• Improved Developer Experience: Clearer API and better documentation for easier adoption.
• Cleaner Code Organization: Consistent naming and structure for maintainability.
• Future-Proof Approach: Deprecation of UvpComposable ensures alignment with future updates.