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-resizable.d.ts

@@ -0,0 +1,30 @@
+/**
+ * dd-resizable.ts 12.3.2
+ * Copyright (c) 2021-2025  Alain Dumesny - see GridStack root license
+ */
+import { DDBaseImplement, HTMLElementExtendOpt } from './dd-base-impl';
+import { DDUIData, GridItemHTMLElement } from './types';
+export interface DDResizableOpt {
+    autoHide?: boolean;
+    handles?: string;
+    maxHeight?: number;
+    maxHeightMoveUp?: number;
+    maxWidth?: number;
+    maxWidthMoveLeft?: number;
+    minHeight?: number;
+    minWidth?: number;
+    start?: (event: Event, ui: DDUIData) => void;
+    stop?: (event: Event) => void;
+    resize?: (event: Event, ui: DDUIData) => void;
+}
+export declare class DDResizable extends DDBaseImplement implements HTMLElementExtendOpt<DDResizableOpt> {
+    el: GridItemHTMLElement;
+    option: DDResizableOpt;
+    constructor(el: GridItemHTMLElement, option?: DDResizableOpt);
+    on(event: 'resizestart' | 'resize' | 'resizestop', callback: (event: DragEvent) => void): void;
+    off(event: 'resizestart' | 'resize' | 'resizestop'): void;
+    enable(): void;
+    disable(): void;
+    destroy(): void;
+    updateOption(opts: DDResizableOpt): DDResizable;
+}