feat: update tabBar to 3 items, add qrcode page skeleton, rename app

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

src/pages.json

@@ -9,7 +9,13 @@
     {
       "path": "pages/index/index",
       "style": {
-				"navigationBarTitleText": "文旅专区"
+        "navigationBarTitleText": "爱上萍乡"
+      }
+    },
+    {
+      "path": "pages/qrcode/index",
+      "style": {
+        "navigationBarTitleText": "入园码"
       }
     },
     {
@@ -70,7 +76,7 @@
   ],
   "globalStyle": {
     "navigationBarTextStyle": "black",
-		"navigationBarTitleText": "湖南12301",
+    "navigationBarTitleText": "爱上萍乡",
     "navigationBarBackgroundColor": "#FFFFFF",
     "backgroundColor": "#F5F5F5"
   },
@@ -86,6 +92,12 @@
         "iconPath": "static/tabbar/home.png",
         "selectedIconPath": "static/tabbar/home-active.png"
       },
+      {
+        "pagePath": "pages/qrcode/index",
+        "text": "入园码",
+        "iconPath": "static/tabbar/qrcode.png",
+        "selectedIconPath": "static/tabbar/qrcode-active.png"
+      },
       {
         "pagePath": "pages/profile/index",
         "text": "我的",

src/pages/profile/index.vue

@@ -6,7 +6,7 @@
       </view>
       <view class="user-info">
         <text class="nickname">{{ userStore.userInfo?.nickname || '未登录' }}</text>
-        <text class="user-desc" v-if="userStore.isLogin">欢迎使用湖南12301文旅专区</text>
+        <text class="user-desc" v-if="userStore.isLogin">欢迎使用爱上萍乡</text>
         <text class="user-desc" v-else @click="goLogin">点击登录</text>
       </view>
     </view>

src/pages/qrcode/index.vue

@@ -0,0 +1,12 @@
+<template>
+  <view class="page">
+    <text>入园码页面（开发中）</text>
+  </view>
+</template>
+
+<script setup lang="ts">
+</script>
+
+<style scoped>
+.page { min-height: 100vh; background: #f5f5f5; display: flex; align-items: center; justify-content: center; }
+</style>