feature<PageTabBar>: add context menu to copy repositories store path

src/Resources/Locales/en_US.xaml

@@ -290,6 +290,7 @@
     <sys:String x:Key="Text.PageTabBar.Tab.CloseOther">Close Other Tabs</sys:String>
     <sys:String x:Key="Text.PageTabBar.Tab.CloseRight">Close Tabs to the Right</sys:String>
     <sys:String x:Key="Text.PageTabBar.Tab.Bookmark">Bookmark</sys:String>
+    <sys:String x:Key="Text.PageTabBar.Tab.CopyPath">Copy Path</sys:String>
 
     <sys:String x:Key="Text.Merge">Merge Branch</sys:String>
     <sys:String x:Key="Text.Merge.Source">Source Branch :</sys:String>

src/Resources/Locales/zh_CN.xaml

@@ -289,6 +289,7 @@
     <sys:String x:Key="Text.PageTabBar.Tab.CloseOther">关闭其他标签页</sys:String>
     <sys:String x:Key="Text.PageTabBar.Tab.CloseRight">关闭右侧标签页</sys:String>
     <sys:String x:Key="Text.PageTabBar.Tab.Bookmark">设置书签</sys:String>
+    <sys:String x:Key="Text.PageTabBar.Tab.CopyPath">复制仓库路径</sys:String>
 
     <sys:String x:Key="Text.Merge">合并分支</sys:String>
     <sys:String x:Key="Text.Merge.Source">合并分支 ：</sys:String>

src/Views/Widgets/PageTabBar.xaml.cs

@@ -336,6 +336,14 @@ namespace SourceGit.Views.Widgets {
                 }
                 menu.Items.Add(new Separator());
                 menu.Items.Add(bookmark);
+
+                var copyPath = new MenuItem();
+                copyPath.Header = App.Text("PageTabBar.Tab.CopyPath");
+                copyPath.Click += (_, __) => {
+                    Clipboard.SetDataObject(tab.Id);
+                };
+                menu.Items.Add(new Separator());
+                menu.Items.Add(copyPath);
             }            
 
             menu.IsOpen = true;