[SDK-234] Add real time updates to iOS#803

lposen wants to merge 6 commits intoloren/embedded/SDK-303-make-the-embedded-functionality-for-ios-and-andrioIterable/react-native-sdk:loren/embedded/SDK-303-make-the-embedded-functionality-for-ios-and-andriofrom

loren/embedded/SDK-234-ios-add-real-time-updates-and-track-message-receIterable/react-native-sdk:loren/embedded/SDK-234-ios-add-real-time-updates-and-track-message-receCopy head branch name to clipboard