rss收藏增加批量删除 (#4444)

app/src/main/res/values-zh-rTW/strings.xml

@@ -29,6 +29,7 @@
     <string name="draw">提醒</string>
     <string name="edit">編輯</string>
     <string name="delete">刪除</string>
+    <string name="delete_select_group">刪除當前分組</string>
     <string name="delete_all">刪除所有</string>
     <string name="replace">取代</string>
     <string name="replace_purify">取代淨化</string>