Add bulk delete functionality for loras and implement model duplicates management. See #198

- Introduced a new API endpoint for bulk deleting loras.
- Added ModelDuplicatesManager to handle duplicate models for loras and checkpoints.
- Implemented UI components for displaying duplicates and managing selections.
- Enhanced controls with a button for finding duplicates.
- Updated templates to include a duplicates banner and associated actions.

static/css/base.css

@@ -32,13 +32,21 @@ html, body {
     --card-bg: #ffffff;
     --border-color: #e0e0e0;
 
-    /* Color System */
-    --lora-accent: oklch(68% 0.28 256);
+    /* Color Components */
+    --lora-accent-l: 68%;
+    --lora-accent-c: 0.28;
+    --lora-accent-h: 256;
+    --lora-warning-l: 75%;
+    --lora-warning-c: 0.25;
+    --lora-warning-h: 80;
+
+    /* Composed Colors */
+    --lora-accent: oklch(var(--lora-accent-l) var(--lora-accent-c) var(--lora-accent-h));
     --lora-surface: oklch(100% 0 0 / 0.98);
     --lora-border: oklch(90% 0.02 256 / 0.15);
     --lora-text: oklch(95% 0.02 256);
     --lora-error: oklch(75% 0.32 29);
-    --lora-warning: oklch(75% 0.25 80); /* Modified to be used with oklch() */
+    --lora-warning: oklch(var(--lora-warning-l) var(--lora-warning-c) var(--lora-warning-h)); /* Modified to be used with oklch() */
     
     /* Spacing Scale */
     --space-1: calc(8px * 1);