Update descriptions & comments to frame metadata #127

Job	Run time
Detect package	0s
Tag release	0s
Build RTC sdist	0s
Build RTC wheels (${{ matrix.archs }})	0s
Publish livekit-protocol	0s
Build Protocol docs	0s
Publish livekit-api	0s
Build API docs	0s
Build RTC docs	0s
Publish livekit (RTC)	0s
Build Protocol	-7s
Build API	-8s
Create release PR	-10s
	-25s

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