"Shuttle App Revamped: Await the Future to Avoid Event Loop Chaos!"

"Developers urged to embrace 'await' in new example app fix to prevent overwhelming glitches."

Commit Details:

fix(shuttle): Correct example app to use await (#2234) ## Why is this change needed? This is leading to confusion. If you don't `await`, you can overwhelm the event loop. ## Merge Checklist - [x] PR title adheres to the [conventional commits](https://www.conventionalcommits.org/en/v1.0.0/) standard - [ ] PR has a [changeset](https://github.com/farcasterxyz/hub-monorepo/blob/main/CONTRIBUTING.md#35-adding-changesets) - [ ] PR has been tagged with a change label(s) (i.e. documentation, feature, bugfix, or chore) - [ ] PR includes [documentation](https://github.com/farcasterxyz/hub-monorepo/blob/main/CONTRIBUTING.md#32-writing-docs) if necessary. <!-- start pr-codex --> --- ## PR-Codex overview This PR ensures the `processHubEvent` method is awaited when called in the stream consumer, preventing it from being executed void. ### Detailed summary - Changed `this.processHubEvent(event);` to `await this.processHubEvent(event);` in the stream consumer to ensure proper execution. > ✨ Ask PR-Codex anything about this PR by commenting with `/codex {your question}` <!-- end pr-codex -->