code: func (w WorkspaceResponse) GetHrefByRelOfWorkspaceLink(rel string) string {
  	for _, l := range w.Links {
  		if l.Rel == rel {
  			return l.Href
  		}
  	}
  	return ""
  }
docs: // GetHrefByRel return the 'href' of 'rel' of WorkspaceLink
  // {
  //   "href": "https://che.prod-preview.openshift.io/user/wksp-0dae",
  //   "rel": "ide url",
  //   "method": "GET"
  // }