frontend added and socket io

frontend/vite.config.ts

@@ -0,0 +1,47 @@
+import path from "node:path";
+import tailwindcss from "@tailwindcss/vite";
+import { tanstackRouter } from "@tanstack/router-plugin/vite";
+import react from "@vitejs/plugin-react-swc";
+import { defineConfig } from "vite";
+
+// https://vite.dev/config/
+export default defineConfig({
+	plugins: [
+		tailwindcss(),
+		tanstackRouter({
+			target: "react",
+			autoCodeSplitting: true,
+		}),
+		react(),
+	],
+	resolve: {
+		alias: {
+			"@": path.resolve(__dirname, "./src"),
+		},
+	},
+	base: "/lst/app",
+	build: {
+		//outDir: "../backend/frontend",
+		//assetsDir: "assets",
+		emptyOutDir: true,
+	},
+	server: {
+		port: 5500,
+		host: true,
+		allowedHosts: true,
+		proxy: {
+			"/lst/api": {
+				target: `http://localhost:${Number(process.env.VITE_PORT || 3000)}`,
+				changeOrigin: true,
+				secure: false,
+			},
+			"/lst/ws": {
+				target: `ws://localhost:${Number(process.env.VITE_PORT || 3000)}`, // Your Go WebSocket endpoint
+				ws: true,
+				changeOrigin: true,
+				secure: false,
+				rewrite: (path) => path.replace(/^\/ws/, ""),
+			},
+		},
+	},
+});