feat: add clock template.

src/Ursa.Themes.Semi/Controls/Clock.axaml

@@ -0,0 +1,21 @@
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:iri="https://irihi.tech/shared"
+    xmlns:u="https://irihi.tech/ursa">
+    <!--  Add Resources Here  -->
+    <ControlTheme x:Key="{x:Type u:Clock}" TargetType="u:Clock">
+        <Setter Property="Template">
+            <ControlTemplate TargetType="u:Clock">
+                <Grid>
+                    <u:ClockTicks HorizontalAlignment="{TemplateBinding HorizontalAlignment}" HourTickForeground="{DynamicResource SemiGrey6}" MinuteTickForeground="{DynamicResource SemiGrey4}" />
+                    <Rectangle Width="8" Height="100" Fill="White" />
+                    <Rectangle Width="4" />
+                    <iri:PureCircle
+                        Diameter="16"
+                        Background="Red" />
+                </Grid>
+            </ControlTemplate>
+        </Setter>
+    </ControlTheme>
+</ResourceDictionary>

src/Ursa.Themes.Semi/Controls/_index.axaml

@@ -6,6 +6,7 @@
         <ResourceInclude Source="ButtonGroup.axaml" />
         <ResourceInclude Source="Breadcrumb.axaml" />
         <ResourceInclude Source="ControlClassesInput.axaml" />
+        <ResourceInclude Source="Clock.axaml" />
         <ResourceInclude Source="Dialog.axaml" />
         <ResourceInclude Source="DialogShared.axaml" />
         <ResourceInclude Source="DisableContainer.axaml" />