code: public GitlabLabel createLabel(
              Serializable projectId,
              String name,
              String color) throws IOException {
          String tailUrl = GitlabProject.URL + "/" + sanitizeProjectId(projectId) + GitlabLabel.URL;
          return dispatch().with("name", name)
                  .with("color", color)
                  .to(tailUrl, GitlabLabel.class);
      }
docs: Creates a new label.
  
  @param projectId The ID of the project containing the new label.
  @param name      The name of the label.
  @param color     The color of the label (eg #ff0000).
  @return The newly created label.
  @throws IOException on gitlab api call error