Tye run --watch should should restart services when they are edited in the tye.yaml file

[domn1995]

What should we add or change to make your life better?

Given a tye.yaml file containing one or more services running with --watch, when the user edits that service's section in the tye.yaml, tye should restart that service.

Example: Adding or editing an environment variable in the env section of a service should restart that service with the new environment variable in it.

Why is this important to you?

It helps my team iterate much more quickly when adding new features/configs and verifying that they are working.

[jkotalik]

I definitely think we should do this. Here are some of the general steps I see in order to implement this:

• Be able to watch for changes on the tye.yaml file. We can probably follow a similar model to aspnetcore configuration.
• Be able to diff the new and existing model, updating any models that have diffs.
• Shutdown and restart apps with the new config.