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/anymatch/index.d.ts

@@ -0,0 +1,20 @@
+type AnymatchFn = (testString: string) => boolean;
+type AnymatchPattern = string|RegExp|AnymatchFn;
+type AnymatchMatcher = AnymatchPattern|AnymatchPattern[]
+type AnymatchTester = {
+  (testString: string|any[], returnIndex: true): number;
+  (testString: string|any[]): boolean;
+}
+
+type PicomatchOptions = {dot: boolean};
+
+declare const anymatch: {
+  (matchers: AnymatchMatcher): AnymatchTester;
+  (matchers: AnymatchMatcher, testString: null, returnIndex: true | PicomatchOptions): AnymatchTester;
+  (matchers: AnymatchMatcher, testString: string|any[], returnIndex: true | PicomatchOptions): number;
+  (matchers: AnymatchMatcher, testString: string|any[]): boolean;
+}
+
+export {AnymatchMatcher as Matcher}
+export {AnymatchTester as Tester}
+export default anymatch