chore: configure detox for native examples

[troZee]

Summary

More context here: https://github.com/callstack/react-native-builder-bob/issues/35

Closes #35

Test plan

• Before you start you need to have configured your local env to run detox:

  • https://github.com/wix/Detox/blob/master/docs/Introduction.AndroidDevEnv.md
  • https://github.com/wix/Detox/blob/master/docs/Introduction.iOSDevEnv.md

• run packages/create-react-native-library/bin/create-react-native-library dzik and generate new library

• cd dzik && yarn bootstrap

• cd example

• test android e2e

yarn detox:android:build:release  
yarn detox:android:test:release

• test ios e2e

yarn detox:ios:build:release  
yarn detox:ios:test:release