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/static/js/admin.js

@@ -0,0 +1,64 @@
+/**
+ * Admin Dashboard JavaScript
+ */
+document.addEventListener('DOMContentLoaded', function() {
+    // Initialize progress bars
+    initProgressBars();
+    
+    // Initialize confirmation dialogs for delete buttons
+    initConfirmDialogs();
+    
+    // Add automatic fade-out for flash messages after 5 seconds
+    initFlashMessages();
+});
+
+/**
+ * Initialize progress bars by setting the width based on data-width attribute
+ */
+function initProgressBars() {
+    const progressBars = document.querySelectorAll('.progress-bar-fill');
+    
+    progressBars.forEach(bar => {
+        const width = bar.getAttribute('data-width');
+        if (width) {
+            // Use setTimeout to allow for a smooth animation
+            setTimeout(() => {
+                bar.style.width = `${width}%`;
+            }, 100);
+        }
+    });
+}
+
+/**
+ * Initialize confirmation dialogs for delete buttons
+ */
+function initConfirmDialogs() {
+    const confirmForms = document.querySelectorAll('form[onsubmit*="confirm"]');
+    
+    confirmForms.forEach(form => {
+        form.onsubmit = function() {
+            const message = this.getAttribute('onsubmit').match(/confirm\('([^']+)'\)/)[1];
+            return confirm(message);
+        };
+    });
+}
+
+/**
+ * Initialize auto-hide for flash messages
+ */
+function initFlashMessages() {
+    const flashMessages = document.querySelectorAll('.flash-messages .alert');
+    
+    flashMessages.forEach(message => {
+        // Auto-hide messages after 5 seconds
+        setTimeout(() => {
+            message.style.opacity = '0';
+            message.style.transition = 'opacity 0.5s ease';
+            
+            // Remove from DOM after fade out
+            setTimeout(() => {
+                message.remove();
+            }, 500);
+        }, 5000);
+    });
+}