新增 "鼠标滚轮翻页"

Add 'Mouse wheel page'

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

@@ -195,6 +195,7 @@
     <string name="img_cover">封面</string>
     <string name="book">書</string>
     <string name="volume_key_page">音量鍵翻頁</string>
+    <string name="mouse_wheel_page">鼠标滚动翻页</string>
     <string name="click_turn_page">點擊翻頁</string>
     <string name="page_anim">翻頁動畫</string>
     <string name="book_page_anim">翻頁動畫(本書)</string>