docs: add section for iOS (#4622)

* Added instructions to install it on iOSi (#4614)

* Added instructions to install it on iOS

* Update ios.md

Co-authored-by: Joe Previte <jjprevite@gmail.com>

* docs: add ios to manifest

* docs: clean up ios docs

Co-authored-by: The AliX Legend <alixgamer175@gmail.com>