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

vite.config.mts

@@ -1,5 +1,4 @@
 import { defineConfig, Plugin } from 'vite';
-import { viteStaticCopy } from 'vite-plugin-static-copy'
 import path from 'path';
 
 const IS_DEV = process.env.NODE_ENV === 'development';
@@ -98,11 +97,6 @@ export default defineConfig({
 	},
 	plugins: [
 		comfyAPIPlugin(),
-		viteStaticCopy({
-			targets: [
-				{ src: "src/lib/*", dest: "lib/" },
-			],
-		}),
 	],
 	build: {
 		minify: false,