생성일순 정렬

[Alteras (Steven Chang)]

업데이트! tags_to_display_nav_bar_item 및 tags_to_display_created_column 설정이 추가되었습니다.

https://github.com/Alteras1/discourse-created-topic-sort/commit/3eeec4ef68ae83d5789afd4bf501fc8329a9db22