Does it work for polymorphic association?

hi,

I checked out the code it only has 3 associations.
1. get_has_many_associations
2. get_has_one_assocations
3. get_many_to_many_associations

If anyone has a plan to add a polymorphic association.

check out this for reference.

https://hexdocs.pm/ecto/polymorphic-associations-with-many-to-many.html#polymorphism-with-has_many-through