Fix pre-hooks not activating

.gitignore

@@ -1,3 +1,4 @@
 .direnv
 .helix
 .vale/styles/config/vocabularies/General
+.pre-commit-config.yaml

flake.nix

@@ -170,6 +170,11 @@
                       ${pkgs.uutils-coreutils-noprefix}/bin/ln -fs ${helixLanguagesFile} ./.helix/languages.toml
                     '';
                   };
+                  pre_commit = {
+                    text = ''
+                      ${config.pre-commit.installationScript}
+                    '';
+                  };
                 };
               };
             };