Reader ui updates

app/src/main/res/menu/opt_reader.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	tools:ignore="AlwaysShowAction">
+
+	<item
+		android:id="@+id/action_slider"
+		android:icon="@drawable/ic_move_horizontal"
+		android:title="@string/show_slider"
+		app:showAsAction="always" />
+
+	<item
+		android:id="@+id/action_bookmark"
+		android:enabled="false"
+		android:icon="@drawable/ic_bookmark"
+		android:title="@string/bookmark_add"
+		app:showAsAction="always" />
+
+	<item
+		android:id="@+id/action_pages_thumbs"
+		android:icon="@drawable/ic_grid"
+		android:title="@string/pages"
+		android:visible="false"
+		app:showAsAction="always"
+		tools:visible="true" />
+
+	<item
+		android:id="@+id/action_options"
+		android:icon="@drawable/abc_ic_menu_overflow_material"
+		android:title="@string/options"
+		app:showAsAction="always"
+		tools:visible="true" />
+
+</menu>