Add files to have a simple EditForm and reproduce POST issue (asks for FormName attribute)

Services/AuthService/IAuthService.cs

@@ -0,0 +1,8 @@
+using Sandbox.Models.ViewModels;
+
+namespace Sandbox.Services.AuthService;
+
+public interface IAuthService
+{
+    Task<ServiceResponse<int>> Register(string userName, string password);
+}