It works: client service + server service + utility service to know server uri when app is running

Services/AuthService/AuthService.cs

@@ -4,12 +4,12 @@ namespace Sandbox.Services.AuthService;
 
 public class AuthService : IAuthService
 {
-    public async Task<ServiceResponse<int>> Register(string userName, string password)
+    public async Task<ServiceResponse<int>> Register(UserRegister userRegister)
     {
         return new ServiceResponse<int>
         {
             Data = 1,
-            Message = $"Got register request with user name {userName}",
+            Message = $"Got register request with e-mail {userRegister.Email}",
             Success = true
         };
     }