Hot Reload application changes during development inner-loop from the .NET CLI

[DamianEdwards]

This epic covers all scenarios relating to supporting Hot Reload and associated experiences (including auto-build, auto-restart, etc.) from the .NET CLI in .NET 6.

User Stories & Issues

• dotnet watch run supports applying code changes to a running app via Hot Reload
• dotnet watch run is configurable with regards to its behavior when source changes are detected
• dotnet watch run applies project-type-specific defaults for its behavior when source changes are detected
• dotnet run --watch is an alias for/equivalent to dotnet watch run
• dotnet watch run behavior can be interactively controlled from the command line while it is active

[dotnet-issue-labeler]

I couldn't figure out the best area label to add to this issue. If you have write-permissions please help me learn by adding exactly one area label.

[ghost]

We've moved this issue to the Backlog milestone. This means that it is not going to be worked on for the coming release. We will reassess the backlog following the current release and consider this item at that time. To learn more about our issue management process and to have better expectation regarding different types of issues you can read our Triage Process.

[DamianEdwards]

We've done as much here feature-wise in .NET 6 as we expect to. We can open specific issues from now on for any changes.