Update: add plugins: ['eslint-plugin'] in configs

Author: aladdin-add

Diff for: lib/index.js

@@ -54,6 +54,7 @@ module.exports.rules = allRules;
 module.exports.configs = Object.keys(configFilters).reduce((configs, configName) => {
   return Object.assign(configs, {
     [configName]: {
+      plugins: ['eslint-plugin'],
       rules: Object.keys(allRules)
         .filter(ruleName => configFilters[configName](allRules[ruleName]))
         .reduce((rules, ruleName) => Object.assign(rules, { [`${PLUGIN_NAME}/${ruleName}`]: 'error' }), {}),