Update repository, seed and service layers

WebAPI/Controllers/UserController.cs

@@ -0,0 +1,26 @@
+using BusinessLayer.Services;
+using DataAccessLayer.Entities;
+using Microsoft.AspNetCore.Mvc;
+
+namespace WebAPI.Controllers
+{
+    [ApiController]
+    [Route("api/[controller]")]
+    public class UserController(IUserService userService) : ControllerBase
+    {
+        [HttpGet]
+        public async Task<ActionResult<IEnumerable<UserAccount>>> GetAll([FromQuery] int? limit, [FromQuery] int? offset)
+        {
+            var users = await userService.GetAllAsync(limit, offset);
+            return Ok(users);
+        }
+
+        [HttpGet("{id:guid}")]
+        public async Task<ActionResult<UserAccount>> GetById(Guid id)
+        {
+            var user = await userService.GetByIdAsync(id);
+            if (user is null) return NotFound();
+            return Ok(user);
+        }
+    }
+}