chore: add fmt commit hook

Author: Jay-Madden

README.md

@@ -119,3 +119,11 @@ just test
 ```
 
 Will clone and build the currently supported version of the Go treesitter parser and use that for the tests.
+
+## Git Hooks
+
+To enable the pre-commit hook that runs `just fmt`:
+
+```bash
+git config core.hooksPath hooks
+```

hooks/pre-commit

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# Run formatter before commit
+echo "Running formatter..."
+just fmt
+
+# Check if fmt made any changes
+if ! git diff --quiet; then
+    echo "Formatter made changes. Please stage the changes and commit again."
+    exit 1
+fi
+
+echo "Formatting check passed."

justfile

@@ -1,6 +1,9 @@
 fmt:
     stylua lua/ --config-path=stylua.toml
 
+fmt-check:
+    stylua lua/ --check --config-path=stylua.toml
+
 install-plenary:
     #!/bin/bash
     echo "===== Setting up Plenary.nvim ====="