add endpoint to send config information

Author: dwwoelfel

src/pages/api/config.js

@@ -0,0 +1,16 @@
+// @flow
+
+import Config from '../../config';
+
+export default (req, res) => {
+  res.setHeader('access-control-allow-origin', '*');
+  res.json({
+    version: '1.0.0',
+    oneGraphAppId: Config.appId,
+    repoName: Config.repoName,
+    repoOwner: Config.repoOwner,
+    codeTheme: Config.codeTheme,
+    title: Config.title,
+    description: Config.description,
+  });
+};