feat: 小程序连接服务器IP + 同步未提交开发

- miniprogram/config.js: BASE_URL 指向 http://192.227.237.8:3001
- 动作标题中文化(nameZh)，搜索匹配 name/nameZh/nameEn
- 新增计划/收藏/我的 等页面与组件
- 后端 Docker 化(Dockerfile/.dockerignore)与翻译脚本
- .gitignore 补充 .DS_Store

miniprogram/components/navbar/index.wxml

@@ -1,7 +1,14 @@
 <view class="navbar">
   <view class="navbar__status" style="height: {{statusBarHeight}}px;"></view>
   <view class="navbar__bar">
-    <view wx:if="{{showBack}}" class="navbar__back" bindtap="onBack">‹</view>
+    <view
+      wx:if="{{showBack && canBack}}"
+      class="navbar__back"
+      hover-class="navbar__back--hover"
+      hover-stay-time="80"
+      bindtap="onBack">
+      <view class="navbar__arrow"></view>
+    </view>
     <view wx:if="{{title}}" class="navbar__title">{{title}}</view>
   </view>
 </view>