To operate front-end, run:
npm install -g expo-cli
npm install
npm start
README and project log: https://docs.google.com/document/d/1ktzU1cYPwqHAPrfUm86Kvpflu_sW9rdh-dDGOBjBDD4/edit
User guide: https://docs.google.com/document/d/1OIVqxE5IKuJ26N8jdbGYXobKfpU7gcOac_Pf8gDjM7Q/edit?usp=sharing
2019/2020 NUS Orbital Summer Project made by Tran Gia Phong and Huynh Thai Duong