First commit

Logic/UserService.cs

@@ -0,0 +1,18 @@
+using Models;
+using Repository;
+
+namespace Logic;
+
+public class UserService : IUserService
+{
+    private IRepository repository;
+    public User? Read()
+    {
+        return repository.Read();
+    }
+
+    public void Create(string username, string email, string password)
+    {
+        repository.Write(new User(username, email, password));
+    }
+}