Setup wallet and transaction retrieval, better swagger docs, and proper dtos

src/IO.Swagger/Models/dto/UserDto.cs

@@ -0,0 +1,13 @@
+using IO.Swagger.Models.db;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+
+namespace IO.Swagger.Models.dto
+{
+    public class UserDto
+    {
+        public string Email { get; set; }
+        public string FirstName { get; set; }
+        public string LastName { get; set; }
+    }
+}