improvement: support :kind in find_and_update_or_create_module/5

[ibarakaiev]

Contributor checklist

• Bug fixes include regression tests
• Features include unit/acceptance tests

Sometimes it is necessary to create a new module of a certain kind, i.e. a test or a test support, for which we have helpers to get their idiomatic location. This PR slightly refactors find_and_update_or_create_module/5 in a backwards-compatible way to support an optional :kind flag, which defaults to :lib, but also supports :test and :test_support.

[zachdaniel]

I like the idea of the path option, but I'm not a big fan of the :kind option, TBH. But with the path option you could very easily do something like path: Module.proper_test_location(...). Could we start w/ just that path option?

[zachdaniel]

I think just the path name should be provided.

[zachdaniel]

Going to merge this and remove the kind option in favor of just the path option :)

[zachdaniel]

🚀 Thank you for your contribution! 🚀