优化 (#4713)

* 升级RecyclerView适配自适应刷新率

* 减小菜单点击区域

* ...

* 修复显示章节位置问题，修复顶部间距问题

* 显示漫画名称

* ...

* ...

* 漫画缩放移植到右上角
增加预加载数量设置
增加单页滚动

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

@@ -821,6 +821,8 @@
     <string name="export_bookshelf">導出書單</string>
     <string name="import_bookshelf">導入書單</string>
     <string name="pre_download">預下載</string>
+    <string name="pre_download_m">預下載%s页</string>
+    <string name="single_page_scroller">单页滚动</string>
     <string name="pre_download_s">預先下載%s章正文</string>
     <string name="is_enabled">係咪啟用</string>
     <string name="background_image">背景圖片</string>