refactor: 车辆绑定文案调整

绑定车辆 → 我的车辆，绑定新车牌 → 添加车辆，已绑定车辆 → 已添加车辆

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

car-wash-mp/src/pages-user/profile/index.vue

@@ -4,7 +4,7 @@
 
     <view class="plate-input-section">
       <view class="section-header">
-        <text class="section-title">绑定新车牌</text>
+        <text class="section-title">添加车辆</text>
       </view>
       <view class="plate-input-hint">
         <text>添加车牌后部分站点可享停车减免权益</text>
@@ -79,10 +79,10 @@
       </view>
     </view>
 
-    <!-- 已绑定车辆列表 -->
+    <!-- 已添加车辆列表 -->
     <view class="car-list-section">
       <view class="section-header">
-        <text class="section-title">已绑定车辆</text>
+        <text class="section-title">已添加车辆</text>
         <text class="section-count" v-if="carList.length > 0">{{ carList.length }}辆</text>
       </view>
 

car-wash-mp/src/pages/user/index.vue

@@ -117,7 +117,7 @@ const user = ref<any>({
 const isLogin = ref(false)
 const menu = ref([
   {
-    title: "绑定车辆",
+    title: "我的车辆",
     path: "/pages-user/profile/index",
     icon: '/static/iconfont/car.svg',
     iconType: 'image',