Setup React @tanstack/router, copy shadcn Authentication page

frontend/vite.config.ts

@@ -1,10 +1,12 @@
+import { TanStackRouterVite } from '@tanstack/router-plugin/vite'
+import react from '@vitejs/plugin-react-swc'
 import path from 'path'
 import { defineConfig } from 'vite'
-import react from '@vitejs/plugin-react-swc'
 
 // https://vite.dev/config/
 export default defineConfig({
-  plugins: [react()],
+  plugins: [
+    TanStackRouterVite(), react(), ],
   resolve: {
     alias: {
       "@": path.resolve(__dirname, "./src"),