feat(reward): 新增客户端奖励中心

lib/pages/discover/discover_view.dart

@@ -472,6 +472,7 @@ class _DiscoverPageState extends State<DiscoverPage> {
   DiscoverPageAction _actionOf(AppRootTab tab) => switch (tab) {
     AppRootTab.home => DiscoverPageAction.home,
     AppRootTab.recommend => DiscoverPageAction.recommend,
+    AppRootTab.reward => DiscoverPageAction.reward,
     AppRootTab.following => DiscoverPageAction.following,
     AppRootTab.mine => DiscoverPageAction.mine,
   };