Add contact controller

Models/Contact.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace weddingapi
+{
+    public record Contact
+    {
+        public Guid Id { get; init; }
+        public string From { get; init; }
+        public string Email { get; init; }
+        public string Message { get; init; }
+        public DateTimeOffset CreatedDate { get; set; }
+    }
+}