Use npm to manage litegraph dependency (#45)

* Add comfyui-litegraph dep

* remove static copy

* Remove litegraph impl

* Fix various issues

* LiteGraph import

* Fix test ref issue

* Change to stable version of litegraph

* update README

tests-ui/utils/ezgraph.ts

@@ -1,5 +1,4 @@
-// @ts-check
-/// <reference path="../../src/types/litegraph.d.ts" />
+import type { LiteGraph, LGraphCanvas } from "comfyui-litegraph";
 
 /**
  * @typedef { import("./src/scripts/app")["app"] } app
@@ -403,12 +402,12 @@ export const Ez = {
 	 * console.log(saveNode);
 	 * graph.arrange();
 	 * @param { app } app
+	 * @param { boolean } clearGraph
 	 * @param { LG["LiteGraph"] } LiteGraph
 	 * @param { LG["LGraphCanvas"] } LGraphCanvas
-	 * @param { boolean } clearGraph
 	 * @returns { { graph: EzGraph, ez: Record<string, EzNodeFactory> } }
 	 */
-	graph(app, LiteGraph = window["LiteGraph"], LGraphCanvas = window["LGraphCanvas"], clearGraph = true) {
+	graph(app, LiteGraph, LGraphCanvas, clearGraph = true) {
 		// Always set the active canvas so things work
 		LGraphCanvas.active_canvas = app.canvas;