Cleanup (#915)

* (update) cleanup:
- move reflect to main.ts
- add config.ts with comfy frontend version
- cleanup index.html and App.vue

* (fix) lint doesn't like branch assignments

* (fix) properly add __COMFYUI_FRONTEND_VERSION__ to ts globals

src/vite-env.d.ts

@@ -1 +1,7 @@
 /// <reference types="vite/client" />
+
+declare global {
+  interface Window {
+    __COMFYUI_FRONTEND_VERSION__: string
+  }
+}