Revize a35cb648

Added comments to backend

Backend/Core/Constants/Constants.cs

@@ -8 +8 @@
 {
     public class Constants
     {
+        /// <summary>
+        /// Key for RequiredAnnotation value in database
+        /// </summary>
         public static string RequiredAnnotationsKey { get; } = "RequiredAnnotations"; 
     }
 }