Installation Media Path Local Drive

Looking to know if it is possible to reference local files/folder instead of the mirrors in “Installation Media” path. I have files that I made for provisioning with Windows and some older distros that I want to reference.

Also before someone suggests that I use Katello, this is a Foreman Server already set up and running in production and installing Katello over an existing Foreman Instance is not supported.

Any other idea on how this can be achieved?

Run a web server and expose those directories via HTTP/HTTPS.