msw: Implement getSession() helper fn

Author: Turbo87

packages/crates-io-msw/utils/session.js

@@ -0,0 +1,12 @@
+import { db } from '../index.js';
+
+export function getSession() {
+  let session = db.mswSession.findFirst({});
+  if (!session) {
+    return {};
+  }
+
+  let user = session.user;
+
+  return { session, user };
+}