node install dependencies global: nodemon
custom scalar: https://www.apollographql.com/docs/graphql-tools/scalars/
// Reference by Post: https://www.robinwieruch.de/graphql-apollo-server-tutorial
// (parent, args, context, info) => { ... }
// Transpile all code following this line with babel and use '@babel/preset-env' (aka ES6) preset.
// refs https://dev.to/alvarojsnish/graphql-mongodb-the-easy-way-ngc
// Dev chrome://inspect
// Session: https://medium.com/front-end-weekly/make-sessions-work-with-express-js-using-mongodb-62a8a3423ef5
http://audiovyvy.com:3000/graphql
https://github.com/dongnguyenvie/audiovyvy-admin-dashboard