🔧 Add Pre-commit Integration to /git Command (#46)

feat: add pre-commit integration to /git command

- Add --pre-commit flag with setup and management capabilities
- Create pre-commit-patterns.yml with Python (uv) and Node (npm) support
- Include hooks for linting, formatting, and security scanning
- Add usage examples to command documentation

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-authored-by: Claude <noreply@anthropic.com>

COMMANDS.md

@@ -352,11 +352,14 @@ Professional Git operations with safety features.
 - `--checkpoint` - Create checkpoint
 - `--merge` - Smart merge
 - `--history` - History analysis
+- `--pre-commit` - Setup and run pre-commit hooks
 
 **Examples:**
 ```bash
 /git --checkpoint "before refactor"       # Safety checkpoint
 /git --commit --validate --test          # Safe commit
+/git --pre-commit                        # Setup pre-commit hooks
+/git --commit --pre-commit               # Commit with validation
 ```
 
 ### 🎨 Design & Architecture Commands (1)