* Modeling, migrations, and seeds

* Admin CRUD

* UI for displaying developer specialties

* Disable rate limiting in development

Sometimes requesting a bunch of assets via Active Storage can hit the
rate limit.

* Feature flag to hide specialties for now

* Remove ivar from partial

* Namespace controller and clean up disabled button

* Disable linters that get in way of multiline calls

* Use Rails.root.join directly

* Increase spacing in developer form fields

* Specialty checkbox selection

* Limit specialties to 5

* Small form design tweaks

* Fix CI - unused + missing translations

* Don't downcase specialties; start seed backfill

* Move badges logic/queries to concern

* Match design of other filter labels

* Don't send "commit" URL param when submitting form

* Filtering by specialty

* Filtering by "High response rate" badge

* Update specialties seed

* Normalize locales

* mailto: link to suggest new developer specialty

* Add new developer specialties

* Add tests

* [skip ci] Update CHANGELOG

* Move query out of view

* Extract translations to locale file