Moved code into src folder. Added build for component library.

src/pages/api/heartbeat.ts

@@ -0,0 +1,6 @@
+import { NextApiRequest, NextApiResponse } from 'next';
+import { ok } from 'next-basics';
+
+export default async (req: NextApiRequest, res: NextApiResponse) => {
+  return ok(res);
+};