Add ability to add and remove XAML and code files using HR with Dev Server

[dr1rrb]

closes https://github.com/unoplatform/uno-private/issues/1428

✨ Feature

Add ability to add and remove XAML and code files using HR with Dev Server

What is the current behavior? 🤔

Dev Server powered HR only support editing existing XAML/code files

What is the new behavior? 🚀

Adding and removing XAML/code files are now detected and handled

PR Checklist ✅

• [x] 📝 Commits must be following the Conventional Commits specification.
• [ ] 🧪 Added Runtime tests, UI tests, or a manual test sample for the changes have been added (for bug fixes / features) (if applicable)
• [ ] 📚 Docs have been added/updated which fit documentation template (for bug fixes / features)
• [ ] 🖼️ Validated PR Screenshots Compare Test Run results.
• [x] ❗ Contains NO breaking changes

[unodevops]

🤖 Your Docs stage site is ready! Visit it here: https://unodocsprstaging.z13.web.core.windows.net/pr-22033/docs/index.html

[unodevops]

🤖 Your WebAssembly Skia Sample App stage site is ready! Visit it here: https://unowasmprstaging.z20.web.core.windows.net/pr-22033/wasm-skia-net9/index.html

[unodevops]

🤖 Your Docs stage site is ready! Visit it here: https://unodocsprstaging.z13.web.core.windows.net/pr-22033/docs/index.html

[unodevops]

⚠️⚠️ The build 186465 has failed on Uno.UI - CI.

[unodevops]

🤖 Your Docs stage site is ready! Visit it here: https://unodocsprstaging.z13.web.core.windows.net/pr-22033/docs/index.html

[unodevops]

⚠️⚠️ The build 186792 has failed on Uno.UI - CI.

[unodevops]

🤖 Your Docs stage site is ready! Visit it here: https://unodocsprstaging.z13.web.core.windows.net/pr-22033/docs/index.html

[unodevops]

⚠️⚠️ The build 187405 has failed on Uno.UI - CI.

[unodevops]

🤖 Your WebAssembly Skia Sample App stage site is ready! Visit it here: https://unowasmprstaging.z20.web.core.windows.net/pr-22033/wasm-skia-net9/index.html

[unodevops]

🤖 Your Docs stage site is ready! Visit it here: https://unodocsprstaging.z13.web.core.windows.net/pr-22033/docs/index.html

[unodevops]

⚠️⚠️ The build 187580 has failed on Uno.UI - CI.