```

✨ feat(admin): Enregistre et utilise SortableReorder.js

Ajoute SortableReorder.js pour permettre le tri des lignes de tableau par drag-and-drop. L'implémente dans la page des formules.
```

assets/admin.js

@@ -10,6 +10,7 @@ import { SearchProduct, SearchOptions } from "./libs/SearchProduct.js";
 import { SearchProductDevis, SearchOptionsDevis } from "./libs/SearchProductDevis.js";
 import { SearchProductFormule, SearchOptionsFormule } from "./libs/SearchProductFormule.js";
 import PlaningLogestics from "./libs/PlaningLogestics.js";
+import {SortableReorder} from "./libs/SortableReorder.js";
 
 // --- CONFIGURATION SENTRY ---
 Sentry.init({
@@ -27,6 +28,7 @@ Sentry.init({
 const registerCustomElements = () => {
     const elements = [
         { name: 'repeat-line', class: RepeatLine, extends: 'div' },
+        { name: 'sortable-reorder', class: SortableReorder, extends: 'table' },
         { name: 'devis-manager', class: DevisManager, extends: 'div' },
         { name: 'search-product', class: SearchProduct, extends: 'button' },
         { name: 'search-productformule', class: SearchProductFormule, extends: 'button' },