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/node_modules/reusify/eslint.config.js

@@ -0,0 +1,14 @@
+'use strict'
+
+const base = require('neostandard')({})
+
+module.exports = [
+  ...base,
+  {
+    name: 'old-standard',
+    rules: {
+      'no-var': 'off',
+      'object-shorthand': 'off',
+    }
+  }
+]