Initial commit: Add Home Assistant skill

- Add homeassistant.skill (packaged version)
- Add skills/homeassistant source directory
- Include scripts for API interaction and validation
- Add comprehensive reference documentation
- Include automation templates
- Add README and .gitignore

.gitignore

@@ -0,0 +1,17 @@
+# macOS
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+env/
+venv/
+*.egg-info/
+
+# Claude
+.claude/