Added endpoint and functionality for getting, retrieving and deleting bookmarks, and for adding and removing tags for a bookmark

YABA.Common/DTOs/CrudResultDTO.cs

@@ -0,0 +1,12 @@
+using YABA.Common.Extensions;
+using YABA.Common.Lookups;
+
+namespace YABA.Common.DTOs
+{
+    public class CrudResultDTO<T>
+    {
+        public CrudResultLookup CrudResult { get; set; }
+        public T Entry { get; set; }
+        public bool IsSuccessful => CrudResult.IsCrudResultSuccessful();
+    }
+}