fix: Add missing treefmt.nix #4

Closed

dfh wants to merge 1 commit from dfh/treefmt-fix into main AGit

Author	SHA1	Message	Date
dfh	bb187bf9f4	fix: Add missing treefmt.nix Some checks failed buildbot/nix-build .#checks.x86_64-linux.formatting Build done. Details buildbot/nix-eval Build done. Details Fixes commit `0ef0d4652a`, file was missing and tests failed https://builds.auxolotl.org/#/builders/35/builds/1	2024-08-01 17:01:02 +00:00