begin adding shadcn components for frontend

frontend/vite.config.ts

@@ -1,6 +1,12 @@
+import path from 'path';
 import react from '@vitejs/plugin-react';
 import { defineConfig } from 'vite';
 
 export default defineConfig({
   plugins: [react()],
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, './src'),
+    },
+  },
 });