Chapter 8: add first recipe samples

Chapter08/stubbing-http-requests/github.js

@@ -0,0 +1,9 @@
+const fetch = require("node-fetch");
+
+module.exports.getGitHubUser = (username) => {
+  return fetch("https://api.github.com/users/" + username)
+    .then((res) => res.json())
+    .then((json) => {
+      return json;
+    });
+};