Update Docs to Match New Features from 1.2.0. Release

[shiffman]

Update Type

Content

Description

Release 1.2.0 is out! There are some new features that we should add to the documentation, you can see a list here: https://github.com/ml5js/ml5-next-gen/releases/tag/v.1.2.0

(Writing this quickly since we are having our Thursday meeting but I can circle back and provide more details and discuss!)

Code of Conduct

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[ziyuan-linn]

I'm just adding a note that the example sketch bodyPose-skeleton was renamed to bodyPose-skeletal-connections.

I also just realized that bodyPose-blazePose-skeleton has not been renamed or updated. We can do that in the next release.

[alanvww]

@shiffman @ziyuan-linn Thanks! @leey611 and I will work on it.