feat: add multiturn tracking to rotation constraint; rename scale to ratio

[dragoncoder047]

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npm i https://pkg.pr.new/kaplayjs/kaplay@976

commit: 71641b1

[lajbel]

Please tag me when the merge conflicts are fixed. I'll merge

[dragoncoder047]

looks like no conflicts i think

[lajbel]

What is exactly the point of this PR?

[dragoncoder047]

The point is to make it so that two objects with rotation constraint between them is able to work when scale ratio is less than 1, normally since the source's angle is 0-360 when it wraps back from 360 to 0 the destination object (the one the constraint is attached to) is going to suddenly jump back to being at its zero position, but this code automatically tracks that boundary jump and compensates so that the destination's rotation is continuous.

Also, since now the constraint actually behaves like gears/pulleys, it just makes sense to rename scale to ratio.

[amyspark-ng]

@lajbel

[amyspark-ng]

@dragoncoder047 make sure this is properly changelogged btw