Provide alternative ways to start a capture

[josuah]

Using the various sensors on-board could be used to offer alternative ways to trigger a capture.

with a pair of earbuds from years ago that allowed me to interact with Google Assistant, I was able to engage with G.A. via 'OK Google' OR I could tilt my head up and down twice OR I could tap.

[siliconwitch]

Voice activation eventually planned for Frame, but with no timeline yet. Early research shows it might be as easy as using a library and model trained on something like edge impulse, but would still be a fair bit of work to get properly integrated in firmware brilliantlabsAR/frame-codebase#115