Document how to set the backend to launch with auto reloading

[johnthagen]

Most web frameworks support this, should see how to do this in ASP.NET

[johnthagen]

https://stackoverflow.com/questions/58203748/is-live-reload-with-in-process-aspnet-core-3-possible

[johnthagen]

https://docs.microsoft.com/en-us/aspnet/core/tutorials/dotnet-watch?view=aspnetcore-3.1#run-net-core-cli-commands-using-dotnet-watch

[johnthagen]

Looks like it may be implemented natively in .NET 6 (LTS): dotnet/aspnetcore#18486

[johnthagen]

Now that we have moved to .NET 5 (#1198), we are one step closer to this.

[johnthagen]

.NET 6 will release Nov 9

• https://devblogs.microsoft.com/dotnet/announcing-net-6-release-candidate-2/

[johnthagen]

https://docs.microsoft.com/en-us/aspnet/core/migration/50-to-60?view=aspnetcore-6.0&tabs=visual-studio