Enable additional repositories to match CentOS equivalent

[mark-au]

The converter enables the minimum base Oracle Linux repositories. Users may be using additional CentOS repositories so we should automatically enable the Oracle Linux equivalent.

We should not automatically enable all Oracle Linux repositories, just the equivalent of those already enabled. This may take some research and testing e.g. CodeReady Builder vs PowerTools.

[mark-au]

Started working in fork main...mark-au:feature-automatically-enable-repos
Code can currently read out enabled repos.

Starting to map out equivalent repos names.
An easy way to get started is:

podman run -ti centos:6 /bin/bash
podman run -ti centos:7 /bin/bash
podman run -ti centos:8 /bin/bash
podman run -ti oraclelinux:6 /bin/bash
podman run -ti oraclelinux:7 /bin/bash
podman run -ti oraclelinux:8 /bin/bash