migrated the frontend file generation, changed folder structure

frontend-plugin/vite.config.ts

@@ -0,0 +1,20 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+import { viteSingleFile } from "vite-plugin-singlefile";
+
+export default defineConfig({
+  plugins: [react(), viteSingleFile()],
+  define: {
+    "process.env.NODE_ENV": JSON.stringify("production"),
+  },
+  build: {
+    outDir: "dist",
+    emptyOutDir: true,
+    minify: "esbuild",
+    sourcemap: false,
+    assetsInlineLimit: 100000000, // Inline all assets
+    rollupOptions: {
+      input: "./index.html",
+    },
+  },
+});