Add parameterless constructor for AuthLogin

CoviDok/api/Request/AuthLogin.cs

@@ -10,6 +10,11 @@ namespace CoviDok.Api.Request
         public string Email { get; set; }
         public string Password { get; set; }
 
+        public AuthLogin() {
+            Email = "";
+            Password = "";
+        }
+
         public AuthLogin(string Email, string Password)
         {
             this.Email = Email;