Define a `discourse:settings` dict with settings from
https://github.com/discourse/discourse/blob/master/config/site_settings.yml

Feature/create users

See merge request la-crise/discourse-formula!1

By default, a password reset email is sent to the user.

The default “rake admin:create” ask question, this one takes arguments
from the command line:

- email
- password, can be empty to generate a random one
- enabled, can be True/False to make user active or not
- admin, can be True/False to make user admin or not

We will then introduce source hacks to automate some tasks.

Only with `salt-ssh` for now.

The clean only stop and remove the running container.

The `discourse.git.package` state may be removed in the future to use
a dedicated formula.

This utility is provided by `net-tools` which is required by
`cloud-init`, so there is no clean of this package.

This utility state may be removed from here in the future to use a
dedicated formula.

They must be set for the formula to work.

Import files from `template-formula`.