Ground work for Wino Calendar. (#475)

Wino Calendar abstractions.

Wino.Calendar/Styles/WinoDayTimelineCanvas.xaml

@@ -0,0 +1,19 @@
+<ResourceDictionary
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:canvas="using:Microsoft.Graphics.Canvas.UI.Xaml"
+    xmlns:controls="using:Wino.Calendar.Controls">
+
+    <!--  Background Timeline Canvas  -->
+    <Style TargetType="controls:WinoDayTimelineCanvas">
+        <Style.Setters>
+            <Setter Property="Template">
+                <Setter.Value>
+                    <ControlTemplate TargetType="controls:WinoDayTimelineCanvas">
+                        <canvas:CanvasControl x:Name="PART_InternalCanvas" />
+                    </ControlTemplate>
+                </Setter.Value>
+            </Setter>
+        </Style.Setters>
+    </Style>
+</ResourceDictionary>