Filter transactions by sorted or unsorted.
Add `active_model_serializers` gem.
Add `category_name` to `sorted_transaction` json.
Add `sorted_transaction` to `transaction` json.
Allow multiple pagers on a single page.
Add sorted and unsorted tabs to account show pages.
Add some default sorting.
Add sorted transactions controller.
Add not null constraint to `category_id` on sorted transactions.
Add transaction sorting form.
Collapse multiple spaces in transaction search field.
Rollback statement import if all transactions are duplicate.