This download will include:
Right now this app runs as a single file and saves usage logs in your browser. To make it read and write a Google Sheet live (changes sync automatically, from any device, with nothing to export), these pieces are needed:
After that, opening the app loads the sheet live and every edit or usage log writes straight back to it. This is a defined next step; the current version already does everything else and exports a clean file you can paste into Google Sheets in the meantime.