Initial commit: Synology DSM API skill

- Add synology_api.py: DSM API client library
- Add synology_api_login.py: CLI tool for login and system info
- Add SKILL.md: Skill definition with usage examples
- Add CLAUDE.md: Developer documentation
- Add references/: Example configs and usage guide

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,19 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+*.egg-info/
+dist/
+build/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db