author_name: 'Firstname Name'
author_mail: 'name@example.com'
draft: './draft'
# python -m uuid -u uuid4
id: 'a06cd9a6-3a48-479b-bf7f-40ddcdde7982'
inbox: './inbox'
theme: './theme/default'
title: 'Blog title'
url: 'https://blog.example.com'
outbox: './outbox'
presentation: 'Blog presentation.'