https://superuser.com/questions/256932/how-do-i-calculate-video-ram-requirements

https://www.smartcamera.services/ai-cctv/what-is-dori-cctv

vSpace Pro LTS is recommended for network without internet

Spreadsheet Service
https://developers.google.com/apps-script/reference/spreadsheet

Gmail Service
https://developers.google.com/apps-script/reference/gmail

Triggers
https://developers.google.com/apps-script/guides/triggers

App Maker – retiring Feb 2020
https://support.google.com/a/answer/9682494