Introduce dtos

Dtos/BreederDto.cs

@@ -0,0 +1,8 @@
+namespace GerbilManager.Dtos
+{
+        public record BreederDto
+    {
+        public Guid Id { get; init; }
+        public string Name { get; init; }
+    }
+}

Dtos/GenderDto.cs

@@ -0,0 +1,9 @@
+namespace GerbilManager.Dtos
+{
+    public enum GenderDto
+    {
+        unknown = 0,
+        male = 1,
+        female = 2
+    }
+}

Dtos/GerbilDto.cs

@@ -0,0 +1,11 @@
+namespace GerbilManager.Dtos
+{
+    public record GerbilDto
+    {
+        public Guid Id { get; init; }
+        public string Name { get; init; }
+        public GenderDto Gender { get; init; }
+        public LitterDto Litter { get; init; }
+        public BreederDto Breeder { get; init; }
+    }
+}

Dtos/LitterDto.cs

@@ -0,0 +1,12 @@
+namespace GerbilManager.Dtos
+{
+    public record LitterDto
+    {
+        public Guid Id { get; init; }
+        public string Name { get; init; }
+        public DateTime Date { get; init; }
+        public int Strength { get; init; }
+        public GerbilDto Father { get; init; }
+        public GerbilDto Mother { get; init; }
+    }
+}