Restructure project

Service/Service.Core/Services/UserService.cs

@@ -0,0 +1,18 @@
+using DataAccessLayer.Entities;
+using DataAccessLayer.Repositories;
+
+namespace BusinessLayer.Services
+{
+    public class UserService(IUserAccountRepository repository) : IUserService
+    {
+        public async Task<IEnumerable<UserAccount>> GetAllAsync(int? limit = null, int? offset = null)
+        {
+            return await repository.GetAll(limit, offset);
+        }
+
+        public async Task<UserAccount?> GetByIdAsync(Guid id)
+        {
+            return await repository.GetById(id);
+        }
+    }
+}