Add official formatter to flake

Commit 02905b5278 pushed by pinpox#176

Workflow check.yml

Check

5m57s

Check

Success

Set up job3s

Check out repository code1s

https://github.com/nixbuild/nix-quick-install-action@v2710s

Calculate flake.lock hash0s

Restore and cache Nix store2m39s

Prepare cachix2s

Run flake checks2m31s

Complete job31s