This rails generator will generate associations between models. using command lines like:
rails g asso user has_one:avatar:belongs_to_me has_many:docs many_to_many:dark_lords:through:friendship belongs_to:house many_to_many:school
rails g asso user has_one:avatar has_many:docs:belongs_to_me belongs_to:house belongs_to:dark_lord:has_one_me many_to_many:schools many_to_many:users:through:friendship many_to_many:doctor:through_with_extra:apointment:start_at,datetime:end_at,datetime
== TODO
- a proper document
- many to many relation of self.
- check if the relation was already made.