change apt to package for CentOS/RHEL installation

[mbaran0v]

Requirements

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Description of the Change

I need use your role for some CentOS/RHEL hosts. Only one tasks in role use Debian-specified modules (apt in main.yaml). I changed it to use module https://docs.ansible.com/ansible/latest/modules/package_module.html

Benefits

Support new OS

Possible Drawbacks

nothing

Applicable Issues

nothing

[jnogol]

Could you please add CentOS as a tested platform in travis.yml? If you need an example, here you can find a very complete one. And add your change to the changelog! :D