code: public CMAPersonalAccessToken addScope(Scope scope) {
      if (scopes == null) {
        scopes = new ArrayList<Scope>();
      }
  
      scopes.add(scope);
      return this;
    }
docs: Add a new scope to the list of scopes. Creates a new list of scopes if no scopes found.
  
  @param scope the new scope to be added.
  @return this instance for chaining.