Dev environment setup

1. Install Expo on your phone: Android: https://play.google.com/store/apps/details?id=host.exp.exponent iOS: https://apps.apple.com/apps/expo-client
2. Install NodeJS: https://nodejs.org/en/download/
3. Install Git: https://git-scm.com/downloads
4. Run "npm install expo-cli -g"
5. Run "git clone https://github.com/turbozv/BSFApp.git"
6. Run "npm install" in BSFApp folder
7. Run "expo start" in BSFApp folder