Template-extractor

- Improved error messages in ProjectService.cs to include board type context.
- Added a check for default repository deletion based on existing repositories.
- Updated Azure DevOps URLs in multiple JSON files to the new format.
- Cleaned up descriptions in TemplateSetting.json by removing HTML tags and rephrasing for clarity.
- Refined error handling in Repository.cs to include timestamps and method context.
- Enhanced response handling in BoardColumn.cs for better robustness.

- Simplified `HandleNewProjectCreation` by removing the `confirmedExtension` output parameter and directly assigning the result of `ValidateExtensions`.
- Updated `TryGetTemplateDetails` to streamline template folder checks and improve error messaging.
- Introduced a new `Parameters` dictionary in `ProjectService.cs` for better organization of user input values.
- Added `GetServiceEndPointCredentials` method to prompt for user credentials based on the selected template, with error handling.
- Updated placeholder replacement logic in `jsonCreateService` to utilize the new `Parameters` dictionary.
- Changed `versionSpec` in `Octopus.json` from `"3.*"` to `"4.*"` to reflect the updated task versioning.

Enhance error handling and update URLs in JSON files