新增漫画阅读模式[条漫、日漫等]

新增条漫侧边留白功能
更新滤镜功能，现在支持亮度跟随系统
其他界面更新

app/src/main/java/io/legato/kazusa/constant/PreferKey.kt

@@ -190,4 +190,6 @@ object PreferKey {
     const val themePref = "themePref"
     const val bookshelfSortOrder = "bookshelfSortOrder"
     const val showBottomView = "showBottomView"
+    const val mangaScrollMode = "mangaScrollMode"
+    const val webtoonSidePaddingDp = "webtoonSidePaddingDp"
 }