[browser] Hot-reload support on non-blazor template

[maraf]

KB of blazor solution

• https://github.com/dotnet/sdk/tree/b3a780d246259741f75a223ec306eee1be336808/src/BuiltInTools/BrowserRefresh
• https://github.com/search?q=repo%3Adotnet%2Faspnetcore+hotreload+language%3ATypeScript&type=code&l=TypeScript
• https://github.com/dotnet/aspnetcore/tree/9402bfac90a695bb732dff17ba624801076df77f/src/Components/WebAssembly/WebAssembly/src/HotReload

cc @pavelsavara

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Issue Details

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KB of blazor solution

• https://github.com/dotnet/sdk/tree/b3a780d246259741f75a223ec306eee1be336808/src/BuiltInTools/BrowserRefresh
• https://github.com/search?q=repo%3Adotnet%2Faspnetcore+hotreload+language%3ATypeScript&type=code&l=TypeScript
• https://github.com/dotnet/aspnetcore/tree/9402bfac90a695bb732dff17ba624801076df77f/src/Components/WebAssembly/WebAssembly/src/HotReload

cc @pavelsavara

Author:	maraf
Assignees:	maraf
Labels:	arch-wasm, area-Build-mono, os-browser
Milestone:	9.0.0

[maraf]

Done in dotnet/sdk#49800