feat: Major updates to backend structure and security enhancements

- Removed `COMMON_ERRORS.md` file to streamline documentation.
- Added `Flask-Limiter` for rate limiting and `redis` for session management in `requirements.txt`.
- Expanded `ROADMAP.md` to include completed security features and planned enhancements for version 2.2.
- Enhanced `setup_myp.sh` for ultra-secure kiosk installation, including system hardening and security configurations.
- Updated `app.py` to integrate CSRF protection and improved logging setup.
- Refactored user model to include username and active status for better user management.
- Improved job scheduler with uptime tracking and task management features.
- Updated various templates for a more cohesive user interface and experience.

backend/app/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "myp-platform",
+  "version": "3.0.0",
+  "description": "MYP Platform - 3D-Drucker Reservierungssystem mit TP-Link Tapo Steuerung",
+  "main": "app.py",
+  "scripts": {
+    "build:css": "npx tailwindcss -i ./static/css/input.css -o ./static/css/tailwind.min.css --minify",
+    "watch:css": "npx tailwindcss -i ./static/css/input.css -o ./static/css/tailwind.min.css --watch",
+    "start": "python3.11 app.py"
+  },
+  "keywords": [
+    "flask",
+    "python",
+    "tp-link",
+    "tapo",
+    "3d-printer",
+    "smart-plug"
+  ],
+  "author": "Mercedes-Benz",
+  "license": "UNLICENSED",
+  "private": true,
+  "devDependencies": {
+    "autoprefixer": "^10.4.16",
+    "postcss": "^8.4.32",
+    "tailwindcss": "^3.3.6"
+  }
+}