Because who doesn't love cleanup hours!
- Credentials.json should be the oauth 2.0 google sheets api key
- .env variable is needed
Slack App Settings: https://api.slack.com/apps/A03BXUSQGNP GCP Compute Instance: https://console.cloud.google.com/compute/instances?referrer=search&authuser=1&project=house-bot-359103
Get user list: https://gt-dx.slack.com/admin
Temporal: https://docs.oracle.com/javase/8/docs/api/java/time/temporal/TemporalAdjusters.html