feat(frontend): Scaffold React project with Vite, Tailwind CSS v4, and shadcn/ui

frontend/vite.config.ts

@@ -0,0 +1,14 @@
+import path from "path"
+import tailwindcss from "@tailwindcss/vite"
+import react from "@vitejs/plugin-react"
+import { defineConfig } from "vite"
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [react(), tailwindcss()],
+  resolve: {
+    alias: {
+      "@": path.resolve(__dirname, "./src"),
+    },
+  },
+})