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/tailwindcss/stubs/.npmignore

@@ -0,0 +1 @@
+!*

backend/app/node_modules/tailwindcss/stubs/.prettierrc.json

@@ -0,0 +1,6 @@
+{
+  "printWidth": 120,
+  "semi": false,
+  "singleQuote": true,
+  "trailingComma": "es5"
+}

backend/app/node_modules/tailwindcss/stubs/config.simple.js

@@ -0,0 +1,7 @@
+module.exports = {
+  content: [],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+}

backend/app/node_modules/tailwindcss/stubs/postcss.config.cjs

@@ -0,0 +1,6 @@
+module.exports = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

backend/app/node_modules/tailwindcss/stubs/postcss.config.js

@@ -0,0 +1,6 @@
+export default {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

backend/app/node_modules/tailwindcss/stubs/tailwind.config.cjs

@@ -0,0 +1,2 @@
+/** @type {import('tailwindcss').Config} */
+module.exports = __CONFIG__

backend/app/node_modules/tailwindcss/stubs/tailwind.config.js

@@ -0,0 +1,2 @@
+/** @type {import('tailwindcss').Config} */
+export default __CONFIG__

backend/app/node_modules/tailwindcss/stubs/tailwind.config.ts

@@ -0,0 +1,3 @@
+import type { Config } from 'tailwindcss'
+
+export default __CONFIG__ satisfies Config