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-touch.d.ts

@@ -0,0 +1,33 @@
+/**
+ * touch.ts 12.3.2
+ * Copyright (c) 2021-2025 Alain Dumesny - see GridStack root license
+ */
+/**
+ * Detect touch support - Windows Surface devices and other touch devices
+ * should we use this instead ? (what we had for always showing resize handles)
+ * /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)
+ */
+export declare const isTouch: boolean;
+/**
+ * Handle the touchstart events
+ * @param {Object} e The widget element's touchstart event
+ */
+export declare function touchstart(e: TouchEvent): void;
+/**
+ * Handle the touchmove events
+ * @param {Object} e The document's touchmove event
+ */
+export declare function touchmove(e: TouchEvent): void;
+/**
+ * Handle the touchend events
+ * @param {Object} e The document's touchend event
+ */
+export declare function touchend(e: TouchEvent): void;
+/**
+ * Note we don't get touchenter/touchleave (which are deprecated)
+ * see https://stackoverflow.com/questions/27908339/js-touch-equivalent-for-mouseenter
+ * so instead of PointerEvent to still get enter/leave and send the matching mouse event.
+ */
+export declare function pointerdown(e: PointerEvent): void;
+export declare function pointerenter(e: PointerEvent): void;
+export declare function pointerleave(e: PointerEvent): void;