Add version log (#52)

index.html

@@ -18,6 +18,7 @@
 		<script type="text/javascript" src="/lib/litegraph.core.js"></script>
 		<script type="text/javascript" src="/lib/litegraph.extensions.js" defer></script>
 		<script type="module">
+			console.log("ComfyUI Front-end version:", __COMFYUI_FRONTEND_VERSION__);
 			import { app } from "./src/scripts/app";
 			(async () => {
 				await app.setup();

vite.config.mts

@@ -113,4 +113,7 @@ export default defineConfig({
 			treeshake: false
 		}
 	},
+	define: {
+		'__COMFYUI_FRONTEND_VERSION__': JSON.stringify(process.env.npm_package_version),
+	},
 });