Use Remote URL by default in .refitter file

[christianhelle]

PR Classification

This pull request aligns with how Refitter works with NSwag Studio. By default, the .refitter file will now contain the remote URL to make it easier to re-generate the API Client.

PR Summary

This PR enhances the file handling and code generation process by introducing new methods and refining existing ones.

• Added and reorganized several namespaces for better code organization.
• Introduced changes in file naming and extension handling based on the code generator used.
• Added SetCustomToolAsync method in the project file for setting the custom tool and handling code generation.
• Added GetRefitterFileContent method for generating content for a Refitter file.
• Refactored the OnInstallPackagesAsync method to be called only when the project is not null.

[sonarcloud[bot]]

Quality Gate passed

Issues
3 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud