Update README.md

Author: billiegoose

README.md

@@ -1,3 +1,5 @@
-# [isomorphic-git.github.io](https://isomorphic-git.github.io/)
+### THE COMMITS IN THE `main` BRANCH ARE AUTO-GENERATED BY [@ISOMORPHIC-GIT-BOT](https://github.com/isomorphic-git-bot).
 
-Project website and documentation
+This repo is not meant to be edited by hand. It merely serves as a destination that holds the built website artifacts, so the isomorphic-git website can be hosted for free on GitHub Pages.
+
+### THE SOURCE CODE FOR THE WEBSITE LIVES IN THE `docs` and `website` directories of https://github.com/isomorphic-git/isomorphic-git