public async Task <IActionResult> GetChampion([FromHeader] int id)
 {
     try
     {
         if (id > 0)
         {
             return(Ok(JsonConvert.SerializeObject(await _championsRepository.GetChampion(id))));
         }
         else
         {
             return(BadRequest("id is required!!!"));
         }
     }
     catch (Exception)
     {
         return(StatusCode(StatusCodes.Status500InternalServerError,
                           "Service temporary and not available"));
     }
 }