Add continuous vertical to default reader options

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsReaderController.kt

@@ -23,8 +23,8 @@ class SettingsReaderController : SettingsController() {
                 key = Keys.defaultViewer
                 titleRes = R.string.pref_viewer_type
                 entriesRes = arrayOf(R.string.left_to_right_viewer, R.string.right_to_left_viewer,
-                        R.string.vertical_viewer, R.string.webtoon_viewer)
-                entryValues = arrayOf("1", "2", "3", "4")
+                        R.string.vertical_viewer, R.string.webtoon_viewer, R.string.vertical_plus_viewer)
+                entryValues = arrayOf("1", "2", "3", "4", "5")
                 defaultValue = "1"
                 summary = "%s"
             }