start component tree + implem navbar

vite.config.ts

@@ -1,11 +1,15 @@
 import tailwindcss from '@tailwindcss/vite'
 import vue from '@vitejs/plugin-vue'
 import { fileURLToPath, URL } from 'node:url'
-import { defineConfig } from 'vite'
+import { defineConfig } from 'vitest/config'
 
 // https://vite.dev/config/
 export default defineConfig({
   plugins: [vue(), tailwindcss()],
+  test: {
+    environment: 'jsdom',
+    globals: true,
+  },
   resolve: {
     alias: {
       '@': fileURLToPath(new URL('./src', import.meta.url)),