Merge pull request #81 from usetrmnl/git-hook-format

[ADDED] Git pre commit hook added

.githooks/README.md

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+# Git Hooks
+
+This project uses Git hooks to maintain code quality.
+
+## Setup for new developers
+
+After cloning the repository, run:
+
+```bash
+git config core.hooksPath .githooks
+```
+
+This will configure Git to use the hooks in the `.githooks` directory.
+
+## Available hooks
+
+### Pre-commit
+
+Automatically runs `./gradlew formatKotlin` before each commit and prevents commits if:
+- The code fails to pass formatting checks
+- The formatter modifies files that aren't included in the commit
+
+If your commit is rejected due to formatting issues:
+1. Review the error messages
+2. Add the formatted files to your commit with `git add`
+3. Try committing again

.githooks/pre-commit

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+#!/bin/bash
+
+echo "Running Kotlin formatter check..."
+
+# Execute the Kotlin formatting task
+./gradlew formatKotlin --quiet
+
+# Check the exit code of the format command
+status=$?
+if [ $status -ne 0 ]; then
+  echo "❌ formatKotlin failed! Please fix formatting issues before committing."
+  exit 1
+fi
+
+# Check if there are unstaged changes after formatting
+if [[ -n $(git diff --name-only --diff-filter=M) ]]; then
+  echo "❌ Files were modified by formatKotlin. Please add these changes to your commit."
+  git diff --name-only --diff-filter=M
+  exit 1
+fi
+
+echo "✅ Kotlin code formatting check passed!"
+exit 0