[ ] The page (if new), does not already exist in the repo.
[ ] The page (if new), has been added to the correct platform folder:
common/
if it's common to all platforms, linux/
if it's Linux-specific, and so on.
[ ] The page has 8 or fewer examples.
[ ] The PR is appropriately titled:
"command: add page" for new pages, or "command: description of changes" for pages being edited
[ ] The page follows the contributing guidelines