Add blueprint to Face Tracking example

[Wumpf]

What

Didn't name the space views this time around since the default cursive names were good enough already.

Checklist

• I have read and agree to Contributor Guide and the Code of Conduct
• I've included a screenshot or gif (if applicable)
• I have tested the web demo (if applicable):
  • Using newly built examples: app.rerun.io
  • Using examples from latest main build: app.rerun.io
  • Using full set of examples from nightly build: app.rerun.io
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• If applicable, add a new check to the release checklist!

• PR Build Summary
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• Wasm size tracking

[abey79]

For this one, I think there is an opportunity to show some query-fu by enabling all blend shapes (top of the file) and making the selection in the blueprint.

[github-actions]

Size changes

Name	main	5616/merge	Change
plots.rrd	0.17 MiB	0.16 MiB	-5.88%

[Wumpf]

oh good, call. looking into that

[abey79]

Nice!