* add 1000ms fallbackToCacheTimeout
* add listener via useOTAUpdate hook and show modal if update is available
* finish expo-updates setup
* setup useOTAUpdate hook
* add 1000ms fallbackToCacheTimeout
* add listener via useOTAUpdate hook and show modal if update is available
* finish expo-updates setup
* setup useOTAUpdate hook
* add OTA updates
* Update build.md
* temporarily disable ota updates
* refactor useOTAUpdate code