docs(tabs): update

docs/app/components/content/examples/tabs/TabsModelValueExample.vue

@@ -0,0 +1,16 @@
+<script setup lang="ts">
+const items = [
+  {
+    label: 'Account'
+  },
+  {
+    label: 'Password'
+  }
+]
+
+const selected = ref('1')
+</script>
+
+<template>
+  <UTabs v-model="selected" :content="false" :items="items" />
+</template>