wip: change assets handling to vite-rs

vite.config.ts

@@ -0,0 +1,13 @@
+import {defineConfig} from "vite";
+
+export default defineConfig({
+    plugins: [],
+    build: {
+        rollupOptions: {
+            input: [
+                "frontend/assets/js/index.ts",
+                "frontend/assets/css/style.scss"
+            ],
+        },
+    }
+});