public ActionResult <Vault> AddKeep([FromBody] VaultKeep vaultKeep)
        {
            vaultKeep.UserId = HttpContext.User.Identity.Name;
            VaultKeep newVaultKeep = _vkr.AddToVault(vaultKeep);

            if (newVaultKeep == null)
            {
                return(BadRequest());
            }

            return(Ok(newVaultKeep));
        }