chore: rename example

Author: antfu

example/basic/index.html example/vue3/index.html

@@ -1,6 +1,6 @@
 import { createApp } from 'vue'
 import App from '/src/App.vue'
 import './index.css'
-import '../node_modules/vant/lib/index.css'
+import 'vant/lib/index.css'
 
 createApp(App).mount('#app')

example/basic/package.json example/vue3/package.json

@@ -19,8 +19,8 @@
   ],
   "scripts": {
     "dev": "npm run build -- --watch",
-    "example:dev": "npm -C example/basic run dev",
-    "example:build": "npm -C example/basic run build",
+    "example:dev": "npm -C example/vue3 run dev",
+    "example:build": "npm -C example/vue3 run build",
     "build": "tsup src/index.ts --dts --format cjs,esm",
     "prepublishOnly": "npm run build",
     "release": "npx git-ensure -a && npx bumpp --commit --tag --push"