Steps to reproduce

1. Checkout the support_rails_7 branch.
2. Once you are in the suspenders directory, run ./bin/suspenders some_app_name to generate a Rails app from the current state of suspenders.
3. Change directories into some_app_name.
4. Run rails g scaffold some_model some_attribute followed by rails db:migrate.
5. Run rails s and visit a route for the resource created in step 4.