INSTALLER_OPTS replaces the default --cookbook=. value, so the docs
now show the full invocation with --cookbook=. included and recommend
using the config file approach instead.
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
vasilito
344b7dd7c7