#84 マイグレ修正

Merge remote-tracking branch 'origin/main' into feature/084

#84 構文エラー修正

#84

#84

Co-authored-by: miteruzo <miteruzo@naver.com>
Reviewed-on: https://git.miteruzo.com/miteruzo/btrc-hub/pulls/148

'backend/lib/tasks/link_nico.rake' を削除

Reviewed-on: https://git.miteruzo.com/miteruzo/btrc-hub/pulls/167

#128 完了

Co-authored-by: miteruzo <miteruzo@naver.com>
Reviewed-on: https://git.miteruzo.com/miteruzo/btrc-hub/pulls/145