Update README.md

Author: greglobinski

README.md

@@ -10,3 +10,19 @@ and once in `replaceRouterComponent` which is part of Gatsby's browser APIs.
 
 Check out [`./gatsby-ssr.js`](./gatsby-ssr.js) and
 [`./gatsby-browser.js`](./gatsby-browser.js) to see how this is implemented in this example.
+
+### Run on localhost
+
+```
+gatsby new example-gatsby-unstated https://github.com/greglobinski/example-gatsby-unstated.git
+cd example-gatsby-unstated
+gatsby develop
+```
+
+### Test
+
+Tests based on `jest` and `react-testing-library`
+
+```
+yarn test
+```