N°8641 - Dashboard editor front-end first commit for Form SDK integration.

* No dashlet edition
* Dashboard are not persisted
* Unable to load a dashboard from an endpoint (refresh)
* Grid library need proper npm integration

node_modules/gridstack/dist/dd-draggable.d.ts

@@ -0,0 +1,20 @@
+/**
+ * dd-draggable.ts 12.3.2
+ * Copyright (c) 2021-2025  Alain Dumesny - see GridStack root license
+ */
+import { DDBaseImplement, HTMLElementExtendOpt } from './dd-base-impl';
+import { GridItemHTMLElement, DDDragOpt } from './types';
+type DDDragEvent = 'drag' | 'dragstart' | 'dragstop';
+export declare class DDDraggable extends DDBaseImplement implements HTMLElementExtendOpt<DDDragOpt> {
+    el: GridItemHTMLElement;
+    option: DDDragOpt;
+    helper: HTMLElement;
+    constructor(el: GridItemHTMLElement, option?: DDDragOpt);
+    on(event: DDDragEvent, callback: (event: DragEvent) => void): void;
+    off(event: DDDragEvent): void;
+    enable(): void;
+    disable(forDestroy?: boolean): void;
+    destroy(): void;
+    updateOption(opts: DDDragOpt): DDDraggable;
+}
+export {};