Feature Request: Support multiple template folders

[JesseTG]

Is your feature request related to a problem? Please describe.

I'd like to be able to keep my templates in the areas where they'll actually be used.

Describe the solution you'd like

The ability to set multiple template folders, instead of just one.

Describe alternatives you've considered

I currently keep all of my templates in one folder; the problem is that as I continue to write more of them, bouncing between the folders for my templates and my actual notes becomes tedious.

Additional context

I adopt the Johnny.Decimal system for organizing my knowledge, documents, and tasks. Each section has its own "meta" area that's used to manage the section itself; the one relevant to this ticket is an area for templates, as described here.