Add server and mini-program pagination for shared lists

weapp/pages/timeline/timeline.wxml

@@ -6,7 +6,7 @@
 <!-- 添加按钮 -->
 
 
-<scroll-view class="page-bg tl-scroll" scroll-y show-scrollbar="{{false}}" bounces="{{true}}">
+<scroll-view class="page-bg tl-scroll" scroll-y bindscrolltolower="loadMore" lower-threshold="120" show-scrollbar="{{false}}" bounces="{{true}}">
   <view class="container"><view class="j-row"><view><text class="j-eyebrow">MEMORIES OF US</text><text class="j-page-title">值得记住的日子</text></view><button class="j-button j-button-small" bindtap="goToPublish">＋ 记忆日</button></view>
 <page-state wx:if="{{loading}}" kind="loading" title="正在加载" /><page-state wx:elif="{{loadError}}" kind="error" title="加载失败" description="请检查网络后重新加载" action="重试" bind:action="loadData" />
     <view class="tl-list" wx:if="{{!loading && !loadError && list.length > 0}}">
@@ -48,6 +48,7 @@
     </view>
   </view>
   
+<view class="j-pagination" wx:if="{{!loading && !loadError && total > 0}}"><text wx:if="{{loadingMore}}">正在加载…</text><text wx:elif="{{moreError}}" bindtap="loadMore">加载失败，点击重试</text><text wx:elif="{{hasMore}}" bindtap="loadMore">加载更多</text><text wx:else>已加载全部</text></view>
 </scroll-view>