message: Ctrl-S (or Cmd-S on macOS) should save in the Monaco editor
diff: @@ -170,6 +170,7 @@ export const EditYAML = connect(stateToProps)(
  editor.focus();
  this.registerYAMLinMonaco(monaco);
  monaco.editor.getModels()[0].updateOptions({ tabSize: 2 });
  + editor.addCommand(monaco.KeyMod.CtrlCmd | monaco.KeyCode.KEY_S, () => this.save());
  }
  get editorHeight() {
  