fix: offload building DTOs to GUHF

DTO building allows for fully returning correct event's
skills and registrations

WebApp/Mapping/SkillMapping.cs

@@ -1,4 +1,4 @@
-using WebApp.DTOs;
+using WebApp.DTOs;
 using WebApp.Entities;
 
 namespace WebApp.Mapping
@@ -16,10 +16,10 @@ namespace WebApp.Mapping
 
         public static SkillSummaryDto ToSkillSummaryDto(this Skill s)
         {
-            return new SkillSummaryDto(
-                s.SkillId,
-                s.Name
-            );
+            return new SkillSummaryDto {
+                SkillId   = s.SkillId,
+                SkillName = s.Name
+            };
         }
     }
 }