feat: add separate bundle IDs for development builds
- Create app.config.js to dynamically set different bundle IDs for dev builds - Development builds use com.emurgo.yoroi.dev (iOS) and com.emurgo.dev (Android) - App name changes to 'Yoroi Dev' for development builds - Allows development and production apps to coexist on the same device - Update eas.json to set EXPO_PUBLIC_BUILD_VARIANT=DEV for development profile