We have an iOS app built using ReactNative. It has been live for more than a year. We need to split the code such that we can release two apps based on the same functionality but with different look and feel. Now there are some updates that also need to be done - RN version needs to be updated, iOS deprecated code needs to be addressed. There are also issues relating to background uploads, some photo taking improvements etc that need to be done. Some important pre-requisites - knowledge of codepush needed, should understand the background upload functionality of iOS and RN.