config: Set a secret example
The config.yml.example didn't include a field I was expecting to be
there, which lead me to believe the field didn't exist. This change adds
the secret
YAML field, and describes how it interacts with the
secrets_file.
The config.yml.example didn't include a field I was expecting to be
there, which lead me to believe the field didn't exist. This change adds
the secret
YAML field, and describes how it interacts with the
secrets_file.