Fix build config for new directory structure

Author: salmenf

@webwriter/core/vite.config.js

@@ -11,7 +11,7 @@ export default defineConfig({
         sourcemap: true,
         rollupOptions: {
           input: {
-            app: fileURLToPath(new URL("./view/app/index.html", import.meta.url)),
+            app: fileURLToPath(new URL("./index.html", import.meta.url)),
             settings: fileURLToPath(new URL("./settings.html", import.meta.url)),
             worker: fileURLToPath(new URL("./viewmodel/apicontroller/index.service.ts", import.meta.url))
           },