Broken links on main page

[chrisjsewell]

Discussed in https://github.com/orgs/executablebooks/discussions/782

^{Originally posted by dkp July 14, 2022} I've just arrived at your https://jupyterbook.org/en/stable/intro.html page for the first time and found that prominently displayed 6 boxes at the top of the page all lead nowhere. This seems like a mistake. Either they should not be clickable or they should go somewhere. See