code: function configure(proto, nameOrConfigs, actionConfig) {
    if (!proto.__configs) proto.__configs = {};
    if (typeof nameOrConfigs === 'string') {
      // Set new configs
      if (typeof actionConfig === 'object') {
        proto.__configs = _.assign(
          proto.__configs,
          { [nameOrConfigs]: actionConfig }
        );
      }
  
      // Get config
      else {
        return proto.__configs[nameOrConfigs];
      }
    }
  
    // Overwrite all configs
    else if (typeof nameOrConfigs === 'object') {
      proto.__configs = nameOrConfigs;
    }
  }
docs: Route action for adding routes config for both Controller and its instance