use GraphiQL v2

Author: wardpeet

package.json

@@ -4,7 +4,7 @@
   "version": "0.0.0",
   "scripts": {
     "build": "gatsby build",
-    "develop": "GATSBY_GRAPHQL_IDE=playground gatsby develop",
+    "develop": "gatsby develop",
     "format": "prettier --write \"**/*.{js,jsx,ts,tsx,json,md}\"",
     "start": "npm run develop",
     "serve": "gatsby serve",