Add Metronome to Conditions #1 thru #6 to

[Timothyrichpt]

Here is Brian Werner with the Source Document for Head Shakes in the FYZICAL CTSIB

90 degrees per second: https://vimeo.com/1020991758/465c149b60?share=copy

180 degrees per second: https://vimeo.com/1020994051/739ce4f6bd?share=copy

[charlieforward9]

This is blocked by #217 , until we can improve our pipeline to run at 60fps minimum, we cannot rely on a metronome to tick once a second.

This is one of the reasons we need to build flutter_mediapipe