[iOS] back gesture in 7.0.0

[troZee]

          > from the very left edge while on pane 2 of the pager

Yes, it should work. It at least works in the example app. It needs native stack navigator though.

Screen.Recording.2023-03-24.at.4.02.23.PM.mov

btw I noticed the scroll view based rewrite on next branch. So would need a different approach to make it work in that version. I can look when I get some time 😅

Originally posted by @intergalacticspacehighway in #705 (comment)