Rename check-all:verbose to ci-check, add some useful eslint config

.eslintrc

@@ -1,7 +1,15 @@
 {
+  "extends": [
+    "eslint:recommended",
+    "plugin:react/recommended"
+  ],
   "plugins": [
     "prettier",
     "react"
   ],
   "parser": "babel-eslint",
+  "env": {
+    "node": true,
+    "browser": true
+  }
 }

package.json

@@ -69,7 +69,7 @@
   "scripts": {
     "build": "gatsby build",
     "check-all": "yarn prettier && yarn lint && yarn flow",
-    "check-all:verbose": "yarn prettier:diff && yarn lint && yarn flow",
+    "ci-check": "yarn prettier:diff && yarn lint && yarn flow",
     "dev": "gatsby develop -H 0.0.0.0",
     "lint": "eslint .",
     "netlify": "yarn install && yarn build",