Initial commit: restructure to flat layout with ui/ and web/ at root

web/server/lib/github/octokit.js

@@ -0,0 +1,10 @@
+import { Octokit } from '@octokit/rest';
+import { getGitHubAuth } from './auth.js';
+
+export function getOctokitOrNull() {
+  const auth = getGitHubAuth();
+  if (!auth?.accessToken) {
+    return null;
+  }
+  return new Octokit({ auth: auth.accessToken });
+}