docs: add deployment field documentation for agent dispatch #116

Job	Run time
Create release PR	-1s
Publish livekit-protocol	-1s
Build RTC sdist	-1s
Publish livekit (RTC)	-1s
Publish livekit-api	-1s
Build API	-1s
Build API docs	0s
Build Protocol docs	0s
Build RTC docs	0s
Detect package	-8s
Build Protocol	-10s
Tag release	-10s
Build RTC wheels (${{ matrix.archs }})	-10s
	-44s

Provide feedback