Add support for deployment of locales files

[mikej888]

Environment:

• Ubuntu 22.04
• Python 3.11.5
• Ansible 8.0.0
• osc.open_ondemand 3.1.4

Add support for deployment of locale customisation files to /etc/ood/config/locales/ support for which is described in Customize Text in OnDemand.

Rather than overloading an Ansible variables file, support a parameter, ood_locales say, which specifies a directory on the control node with the locales files to be copied to the target nodes.