feat: Add Angular example.

[Daranix]

This pull request adds an Angular example to showcase Blendy's framework-agnostic capabilities in an Angular context. The new example demonstrates how to integrate Blendy seamlessly into an Angular application, providing developers with a clear reference for implementation.
Changes

• Created a new Angular example directory
• Added a comprehensive example that illustrates:
  • Basic Blendy element transition
  • Component-level integration
  • Responsive transition configuration

[TahaSh]

Thanks for your PR. But could you please update it to not include all the project's files? You can follow the other examples I have here: https://github.com/TahaSh/blendy/tree/main/examples.