Document and/or fixup Ansible configuration

[freephile]

Ansible will automatically find your ansible.cfg file if it's in the current directory with some conditions and caveats for security. ansible/latest/reference_appendices/config.html

So, we must update documentation and procedures to instruct users to cd /opt/meza/config before issuing any meza commands such as meza create wiki-promptless or meza deploy monolith.

Or, we could improve the meza.py to ensure that the configuration is found and loaded.

[freephile]

From https://docs.ansible.com/ansible/latest/reference_appendices/config.html

Changes can be made and used in a configuration file which will be searched for in the following order:

• ANSIBLE_CONFIG (environment variable if set)
• ansible.cfg (in the current directory)
• ~/.ansible.cfg (in the home directory)
• /etc/ansible/ansible.cfg

Ansible will process the above list and use the first file found, all others are ignored.

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