Add AdminLTE-style CSS framework to app.css

- Introduced AdminLTE CSS variables for color palette, body colors, card styles, and button styles.
- Implemented card components with variants for primary, success, warning, danger, and info.
- Added button styles including sizes and outline variants.
- Created form controls, select inputs, and input groups with consistent styling.
- Included utility classes for text and background colors, gradients, and shadows.
- Developed components for badges, alerts, callouts, progress bars, tables, small boxes, and info boxes.
- Integrated modal, dropdown, spinner, tooltip, and direct chat styles.
- Established timeline and close button styles, with dark mode support for specific components.

extensions/Servers/Proxmox/views/components/ui/dropdown-divider.blade.php

@@ -1,5 +1,17 @@
 {{--
-    Dropdown Divider Component - TailAdmin style
+    Dropdown Divider Component - AdminLTE style
 --}}
 
-<div class="-mx-2 my-1.5 h-px bg-gray-200 dark:bg-gray-800"></div>
+<style>
+    .dropdown-divider-lte {
+        height: 0;
+        margin: 0.375rem 0;
+        overflow: hidden;
+        border-top: 1px solid var(--lte-border-color, #dee2e6);
+    }
+    .dark .dropdown-divider-lte {
+        border-top-color: #374151;
+    }
+</style>
+
+<hr class="dropdown-divider-lte">