Implement a well-known attribute handling mechanism

[DilshanSenarath]

Derived from: #20026

Sub Task

• Implement well-known attribute handling mechanism [PoC]
• Implement a solution to handle well-known attributes directly from the template through the frontend
• Refine the solution to utilize more manageable and reusable components
• Implement template versioning support for both the extension management API and the application management API
• Enhance the template packaging process by integrating Jenkins
• Create internal developer tools to facilitate easier template development
  • Markdown playground
  • Template cli tool
  • Git action to check template version
• Write Unit tests
• Write integration tests
• Create documentations