Based on
- Primer Admin Theme
- AppEngine: Google Cloud CronJobs (PHP)
- Angularfire 2
- Firebase (Auth, Storage, Firestore-DB, Firebase-Admin, Cloud-Functions)
- Sendgrid/mail
Install and Configuration
- Enable sheets API at Google Dev Console
- Enable drive API at Google Dev Console
- Give Service Account read access to member-lists in google-Drive
MIT license.