Rename Project Name.

PSManagement.Contracts/Authentication/AuthenticationResponse.cs

+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PSManagement.Contracts.Authentication
+{
+    public record AuthenticationResponse(
+        Guid Id ,
+        String FirstName,
+        String LastName ,
+        String Email ,
+        String Token
+        );
+}

PSManagement.Contracts/Authentication/LoginRequest.cs

+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PSManagement.Contracts.Authentication
+{
+    public record LoginRequest(
+        String Email ,
+        String PassWorrd
+        );
+}

PSManagement.Contracts/Authentication/RegisterRequest.cs

+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PSManagement.Contracts.Authentication
+{
+    public record RegisterRequest (
+        String FirstName , 
+        String LastName ,
+        String Email,
+        String Password
+        );
+}