Initial commit: Notes Manager App (notes.braetter-int.de)

- Python/Flask Backend
- SQLAlchemy Models (notes, tasks, templates, users)
- Gunicorn + Nginx Deploy-Konfiguration
- Static Assets (CSS/JS)
- Jinja2 Templates

run.py

@@ -0,0 +1,6 @@
+from app import create_app
+
+app = create_app()
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000, debug=True)