Google Drive is Google's file sync app that lets you store all of your files online alongside your Google Docs documents, and keep them synced with all of your devices.
Gather shipped changes into a draft on the release review issue.
You get a release changelog draft on your review issue, with clear features and fixes linked to the completed work behind them.
Gather completed release work into a changelog draft for the editor.
Your changelog gains a new version section after release approval, and your editor gets a revised Markdown file to review.