code: func Register(plugins *admission.Plugins) {
  	plugins.Register(PluginName, func(config io.Reader) (admission.Interface, error) {
  		pluginConfig, err := loadConfiguration(config)
  		if err != nil {
  			return nil, err
  		}
  		return NewPodTolerationsPlugin(pluginConfig), nil
  	})
  }
docs: // Register registers a plugin