feat: feature discussion as separate detail page, not inline

public/js/app.js

@@ -99,6 +99,7 @@ const App = {
       case 'export': this.renderMain('数据导出', ExportPage, param); break;
       case 'polls': this.renderMain('投票', PollsPage, param); break;
       case 'features': this.renderMain('更新内容', FeaturesPage, param); break;
+      case 'feature': this.renderMain('更新详情', FeatureDetail, param); break;
       case 'servers': this.renderMain('服务器管理', ServersPage, param); break;
       default: this.renderMain('控制台', Dashboard, param);
     }
@@ -176,6 +177,7 @@ window.SettingsPage = SettingsPage;
 window.ExportPage = ExportPage;
 window.PollsPage = PollsPage;
 window.FeaturesPage = FeaturesPage;
+window.FeatureDetail = FeatureDetail;
 window.ServersPage = ServersPage;
 window.LoginPage = LoginPage;
 window.RegisterPage = RegisterPage;