Add the option to log "debug" messages alongside warnings

[miniBill]

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[miniBill]

This is currently unused but I'm going to use it for the next PR

[github-actions]

[miniBill]

Hm. Maybe we can just Debug.log I guess 🤔

[adamdicarlo0]

Hm. Maybe we can just Debug.log I guess 🤔

Two thoughts:

1. I think Debug.log outputs will not always be properly ordered with respect to CliMonad warnings, because Debug.log instantly outputs the message, and CliMonad as I understand, sort of "accumulates" them, since it's delayed computation. So it would depend where you call Debug.log.
2. Is it a goal ever to be able to remove Debug calls and compile with optimizations? I'm a bit curious how much faster it would be. (Though I'll admit, it's plenty fast for my work project!)