add resources files for page flipping

resources/icons/src/appbar.book.open.xaml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Canvas xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Name="appbar_book_open" Width="48" Height="48" Clip="F1 M 0,0L 48,0L 48,48L 0,48L 0,0" UseLayoutRounding="False">
+	<Path Width="26" Height="21.7888" Canvas.Left="11" Canvas.Top="14.7112" Stretch="Fill" Fill="#FF000000" Data="F1 M 24,18.75C 26,12 35,15.75 35,15.75L 35,17L 35,17.732L 37,17.25L 36.9999,32.5C 36.9999,32.5 26,33 24,36.5C 22,33 11,32.5 11,32.5L 11,17.25L 13,17.732L 13,17L 13,15.75C 13,15.75 22,12 24,18.75 Z M 33.9999,29.7634L 34,17.2813C 31,17 28,15 24.5,19.7913L 24.5,32.9783C 26.2215,30.8247 31.2061,30.5863 33.9999,29.7634 Z M 14,17.2813L 14,29.7634C 16.7938,30.5863 21.7784,30.8247 23.5,32.9784L 23.5,19.7913C 20,15 17,17 14,17.2813 Z "/>
+</Canvas>