We have been using redirections in many pages when referencing the API
docs generated. Since the relocation of the generated files, this is
becoming difficult to maintain. This PR redirects all such links to the
generated artifacts so we can easily detect missing links if any.
closes: #7874
The doc asks users to use `ps` command inside the nginx container, when
ps is not installed inside the container. So this commit adds that
command to install ps.