Feature request: Link to active livestream in docs.flutter.dev header

(I'm assuming this isn't a pain to do now that the site has been migrated to Jaspr; ignore me if it is).

I'd love to see a "We're Live!" link at the top of docs.flutter.dev that is visible when Flutter's YT channel is actively livestreaming and links to that stream. YT's API offers some stuff related to this, and I want to believe it wouldn't be difficult to implement, though I admit I've done no real research.