message: docs: fix namespace error
diff: loadSidebar: true,
  subMaxLevel: 3,
  // Avoid collisions with other docs on the same domain
  + search: {
  namespace: 'zwavejs2mqtt',
  + },
  plugins: [
  EditOnGithubPlugin.create(
  'https://github.com/zwave-js/zwavejs2mqtt/blob/master/docs/',
  