Pause and resume API for batching events

[marandaneto]

Description

https://posthog.slack.com/archives/C09LZA7FBEZ/p1769777530633319?thread_ts=1769727378.061099&cid=C09LZA7FBEZ

iOS has this but its not the same thing

Users might want to pause and resume the events/snapshots sync even if online (eg expensive satellite connection)