Adds a summary file and description to get more informative displays on gist.github.com.
ClosesHomebrew/homebrew#45023.
Signed-off-by: Andrew Janke <andrew@apjanke.net>
The link for the page that allows creation of API tokens has changed
from /settings/applications to /settings/tokens. Also the wording
on that page calls them "personal access tokens", so update
Homebrew to be consistent with that.
ClosesHomebrew/homebrew#39378.
Signed-off-by: Tim D. Smith <git@tim-smith.us>