Add project files.

TomatenMusic Api/Auth/Controllers/UsersController.cs

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+namespace WebApi.Controllers;
+
+using Microsoft.AspNetCore.Mvc;
+using TomatenMusic_Api.Auth.Helpers;
+using TomatenMusic_Api.Auth.Models;
+using TomatenMusic_Api.Auth.Services;
+
+[ApiController]
+[Route("api/[controller]")]
+public class UsersController : ControllerBase
+{
+    private IUserService _userService;
+
+    public UsersController(IUserService userService)
+    {
+        _userService = userService;
+    }
+
+    [HttpPost("authenticate")]
+    public IActionResult Authenticate(AuthenticateRequest model)
+    {
+        var response = _userService.Authenticate(model);
+
+        if (response == null)
+            return BadRequest(new { message = "Username or password is incorrect" });
+
+        return Ok(response);
+    }
+
+    [Authorize]
+    [HttpGet]
+    public IActionResult GetAll()
+    {
+        var users = _userService.GetAll();
+        return Ok(users);
+    }
+}