improvement: add an optional path argument to `find_and_update_or_cre… #123

Job	Run time
ash-ci / mix deps.get	15s
ash-ci / audit	36s
ash-ci / MIX_ENV=dev mix.compile	30s
ash-ci / MIX_ENV=test mix.compile	35s
ash-ci / mix docs	21s
ash-ci / mix dialyzer	2m 12s
ash-ci / mix credo --strict	6s
ash-ci / mix format --check-formatted	34s
ash-ci / mix sobelow	31s
ash-ci / mix spark.cheat_sheets --check	7s
ash-ci / mix spark.formatter --check	3s
ash-ci / mix test	1m 48s
ash-ci / mix deps.unlock --check-unused	23s
ash-ci / Deploy docs to GitHub pages.	8s
ash-ci / Release	0s
	8m 9s

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