❔ i want to add jwt in my api i am making should I put this in the same controller as my register

using HotelRservationAPI.DTO;
using HotelRservationAPI.Interface;
using HotelRservationAPI.Models;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace HotelRservationAPI.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class RegisterController : Controller
    {
        private readonly IRegisterRepository _registerRepository;

        public RegisterController(IRegisterRepository registerRepository)
        {
            _registerRepository = registerRepository;
        }

        #region Post
        [HttpPost]
        [ProducesResponseType(204)]
        [ProducesResponseType(400)]
        public IActionResult CreateRegister([FromBody] RegisterDto  registerCreate)
        {
            if (registerCreate == null)
                return BadRequest(ModelState);

            var category = _registerRepository.GetRegisters()
                .Where(c => c.Username.Trim().ToUpper() == registerCreate.Username.TrimEnd().ToUpper())
                .FirstOrDefault();

            if (category != null)
            {
                ModelState.AddModelError("", "Category already exists");
                return StatusCode(422, ModelState);
            }

            if (!ModelState.IsValid)
                return BadRequest(ModelState);

            var categoryMap = new Register
            {
                Username = registerCreate.Username,
                Password = registerCreate.Password,
                Email = registerCreate.Email
            };

            if (!_registerRepository.CreateRegister(categoryMap))
            {
                ModelState.AddModelError("", "Something went wrong while saving");
                return StatusCode(500, ModelState);
            }

            return Ok("Successfully created");

        }
        #endregion
    }
}

using HotelRservationAPI.DTO;
using HotelRservationAPI.Interface;
using HotelRservationAPI.Models;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace HotelRservationAPI.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class RegisterController : Controller
    {
        private readonly IRegisterRepository _registerRepository;

        public RegisterController(IRegisterRepository registerRepository)
        {
            _registerRepository = registerRepository;
        }

        #region Post
        [HttpPost]
        [ProducesResponseType(204)]
        [ProducesResponseType(400)]
        public IActionResult CreateRegister([FromBody] RegisterDto  registerCreate)
        {
            if (registerCreate == null)
                return BadRequest(ModelState);

            var category = _registerRepository.GetRegisters()
                .Where(c => c.Username.Trim().ToUpper() == registerCreate.Username.TrimEnd().ToUpper())
                .FirstOrDefault();

            if (category != null)
            {
                ModelState.AddModelError("", "Category already exists");
                return StatusCode(422, ModelState);
            }

            if (!ModelState.IsValid)
                return BadRequest(ModelState);

            var categoryMap = new Register
            {
                Username = registerCreate.Username,
                Password = registerCreate.Password,
                Email = registerCreate.Email
            };

            if (!_registerRepository.CreateRegister(categoryMap))
            {
                ModelState.AddModelError("", "Something went wrong while saving");
                return StatusCode(500, ModelState);
            }

            return Ok("Successfully created");

        }
        #endregion
    }
}