feat: init project with miniprogram, cloud functions and admin console

miniprogram/pages/subscribe-success/subscribe-success.wxml

@@ -0,0 +1,8 @@
+<view class="container">
+  <view class="card text-center">
+    <view class="success-icon">&#10003;</view>
+    <view class="section-title">订阅成功</view>
+    <view class="text-muted mb-30">您已成功订阅，现在可以开始使用</view>
+    <view class="btn-primary" bindtap="onBackHome">返回首页</view>
+  </view>
+</view>