docs: add docusaurus docs (#118)

Co-authored-by: Elias Schneider <login@eliasschneider.com>

docs/src/pages/index.tsx

@@ -0,0 +1,6 @@
+import React from "react";
+import { Redirect } from "react-router-dom";
+
+export default function Home() {
+  return <Redirect to="/pocket-id/introduction" />;
+}