Astro was importing these images and doing it's own processing anyways,
there was not a reason for these images to stay in the static folder.
For channels-and-topics.png, we keep the help center directory as the
source directory for two symlinks since that is where the image is
likely to stay the longest.
The Markdown files in this directory ( /zulip/docs ) are not intended
to be read on GitHub. Instead, visit our
ReadTheDocs to
read the Zulip documentation.