Add sample that send telemetry from the browser

[JamesNK]

See https://github.com/dotnet/aspire/tree/main/playground/BrowserTelemetry as an example of how to do this.

[DamianEdwards]

I'm thinking we should just update the existing AspireWithJavaScript sample to do this. It has Angular, React, and Vue apps in it so seems like a good candidate to add this functionality.

/Cc @IEvangelist