public async Task Update(Jasenet jasenet)
 {
     try
     {
         await db.Jasenet.ReplaceOneAsync(filter : g => g.Id == jasenet.Id, replacement : jasenet);
     }
     catch (Exception)
     {
         throw;
     }
 }
 public async Task Add(Jasenet jasenet)
 {
     try
     {
         await db.Jasenet.InsertOneAsync(jasenet);
     }
     catch (Exception)
     {
         throw;
     }
 }