add redactor on installed apps settings
add tagging on installed apps on settings
create Article models abstract
add post models abstract Article
create Post Admin, set slug is title
import article models on core models init
Add site and user on published models abstract
remove site channel models, site is part of published models abstratic
Remove thumbor use on init image, thumbor not django application
Add article on core admin
content field on abstract article models is mandatory
Auto set user (auth) on save post mdoels (django admin)