chore: bump version to 0.2.0

- Update main package version to 0.2.0
- Update capability versions to 0.2.0
- Prepare for release tagging

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

Co-Authored-By: Claude <noreply@anthropic.com>

markitect/__version__.py

@@ -11,7 +11,7 @@ from pathlib import Path
 from typing import Optional
 
 # Base version from pyproject.toml
-__version__ = "0.1.0"
+__version__ = "0.2.0"
 
 def get_git_commit_hash() -> Optional[str]:
     """Get the current git commit hash if available."""