Assuming you don't plan to call CrashKiOS from the...

# touchlab-tools

[kpgalligan]

Assuming you don't plan to call CrashKiOS from the other modules, you can just add it to the umbrella. Generally speaking, an umbrella module will have some kind of "entry point" for the iOS code. You call that on app start to initialize things. You can do Crashlytics setup in there.