(fix) add eslint-config-grumbler to resolve plugin install issue (#99)

Author: imbrian

package.json

@@ -56,6 +56,7 @@
   "readmeFilename": "README.md",
   "devDependencies": {
     "@krakenjs/grumbler-scripts": "^8.0.4",
+    "@krakenjs/eslint-config-grumbler": "8.1.3",
     "@krakenjs/sync-browser-mocks": "^3.0.0",
     "babel-core": "^7.0.0-bridge.0",
     "conventional-changelog-cli": "^2.0.11",