implemented identity, updated session, added 'workings' list

added paginated querying, added 'common'

app/client/pages/profile/$username.tsx

@@ -0,0 +1,10 @@
+import { createFileRoute } from '@tanstack/react-router';
+
+export const Route = createFileRoute('/profile/$username')({
+  component: RouteComponent
+});
+
+function RouteComponent() {
+  const { username } = Route.useParams();
+  return <div>{`Hello, "${username}"!`}</div>;
+}