feature<Welcome>: supports to sort repositories by bookmark color

src/Models/Preference.cs

@@ -25,6 +25,7 @@ namespace SourceGit.Models {
             ByNameASC,
             ByNameDESC,
             ByRecentlyOpened,
+            ByBookmark,
         }
 
         /// <summary>

src/Resources/Locales/en_US.xaml

@@ -505,6 +505,7 @@
     <sys:String x:Key="Text.Sort.NameAsc">By Name</sys:String>
     <sys:String x:Key="Text.Sort.NameDesc">By Name Inversed</sys:String>
     <sys:String x:Key="Text.Sort.RecentlyOpened">By Recently Opened</sys:String>
+    <sys:String x:Key="Text.Sort.Bookmark">By Bookmark Color</sys:String>
 
     <sys:String x:Key="Text.NotConfigured">Git has NOT been configured. Please to go [Preference] and configure it first.</sys:String>
     <sys:String x:Key="Text.PathNotFound">Path[{0}] not exists!</sys:String>

src/Resources/Locales/zh_CN.xaml

@@ -504,6 +504,7 @@
     <sys:String x:Key="Text.Sort.NameAsc">按名称正序</sys:String>
     <sys:String x:Key="Text.Sort.NameDesc">按名称倒序</sys:String>
     <sys:String x:Key="Text.Sort.RecentlyOpened">按最近访问</sys:String>
+    <sys:String x:Key="Text.Sort.Bookmark">按书签颜色</sys:String>
 
     <sys:String x:Key="Text.NotConfigured">GIT尚未配置。请打开【偏好设置】配置GIT路径。</sys:String>
     <sys:String x:Key="Text.PathNotFound">路径（{0}）不存在或不可读取!</sys:String>

src/Views/Widgets/Welcome.xaml.cs

@@ -92,6 +92,7 @@ namespace SourceGit.Views.Widgets {
             FillSortMenu(menu, Models.Preference.SortMethod.ByNameASC, "Sort.NameAsc");
             FillSortMenu(menu, Models.Preference.SortMethod.ByNameDESC, "Sort.NameDesc");
             FillSortMenu(menu, Models.Preference.SortMethod.ByRecentlyOpened, "Sort.RecentlyOpened");
+            FillSortMenu(menu, Models.Preference.SortMethod.ByBookmark, "Sort.Bookmark");
 
             menu.IsOpen = true;
             e.Handled = true;
@@ -195,9 +196,12 @@ namespace SourceGit.Views.Widgets {
             case Models.Preference.SortMethod.ByNameDESC:
                 visibles.Sort((l, r) => r.Name.CompareTo(l.Name));
                 break;
-            default:
+            case Models.Preference.SortMethod.ByRecentlyOpened:
                 visibles.Sort((l, r) => r.LastOpenTime.CompareTo(l.LastOpenTime));
                 break;
+            default:
+                visibles.Sort((l, r) => l.Bookmark.CompareTo(r.Bookmark));
+                break;
             }
 
             repoList.ItemsSource = visibles;