feat(recipes): switch between expo go and cng

[Jpoliachik]

Description

• Adds a new recipe for switching between Expo Go and Expo CNG Ignite workflows

Planning on referencing this recipe during Ignite workflow selection:

✅ Do you want to use Expo? · Expo
📝 Which Expo workflow? (You can switch between them later with a little work -- here's how: https://ignitecookbook.com/docs/recipes/SwitchBetweenExpoGoCNG) … 
❯ Expo Go - For simple apps that don't need custom native code [Default]
  Expo CNG - For more involved apps -- allows you to integrate custom native code via config plugins

Screenshot