Initial commit: Node-RED MCP server (Python/FastMCP)

22-tool MCP server for Node-RED flow management with Pydantic models,
incremental flow patching, layout linting, and flexible auth (token,
basic, OAuth2). 137 tests, full ruff compliance.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,34 @@
+# Python
+__pycache__/
+*.py[cod]
+*.egg-info/
+dist/
+build/
+
+# Virtual environment
+.venv/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# Environment
+.env
+
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
+
+# uv
+.python-version
+
+# Local artifacts
+backups/
+logs/
+node-red-mcp-server/
+
+# OMC state
+.omc/