Introduce dtos

Converter/BreederConveter.cs

@@ -0,0 +1,17 @@
+using GerbilManager.Dtos;
+using GerbilManager.Models;
+
+namespace GerbilManager.Converter
+{
+    public static class BreederConverterExtension
+    {
+        public static BreederDto AsDto(this Breeder breeder)
+        {
+            return new BreederDto{
+                Id = breeder.Id,
+                Name = breeder.Name
+            };
+        } 
+    }
+}
+