Adding Gatsby

.gitignore

@@ -17,3 +17,7 @@ node_modules/
 
 # Yarn Integrity file
 .yarn-integrity
+
+# Gatsby build files
+.cache/
+public/

package.json

@@ -10,5 +10,13 @@
   "license": "MIT",
   "private": true,
   "scripts": {
+    "start": "gatsby develop",
+    "build": "gatsby build"
+  },
+  "dependencies": {
+    "gatsby": "^2.0.81",
+    "prop-types": "^15.6.2",
+    "react": "^16.7.0",
+    "react-dom": "^16.7.0"
   }
 }

src/pages/index.js

@@ -0,0 +1,5 @@
+import React from 'react';
+
+const IndexPage = () => <div>Hello world</div>;
+
+export default IndexPage;