* feat: remove the validation for the article_id and tag_name to be unique on a tag_adjustment
* chore: remove unique index
* feat: update the validate_tag method to align with the removal of unique indexes on the table
* feat: do not allow removal and addition of tags that were added/removed by admins
* spec: add tests for the tag_adjustment_spec
* fix: update the validation of tags
* spec: article validation
* spec: test the action_panel helper
* chore: amend language
* add styles
* Empty commit