code: function listCommand(consoleService, moduleId, msg, cb) {
      const modules = consoleService.modules;
  
      const result = [];
      for (const _moduleId in modules) {
          if (modules.hasOwnProperty(_moduleId)) {
              if (!(/^__\w+__$/.test(_moduleId))) {
                  result.push(_moduleId);
              }
          }
      }
  
      cb(null, {
          modules: result
      });
  }
docs: List current modules