制限付き有料アクセス カテゴリのカテゴリ プレビューを有効にする

[RGJ (Richard - Communiteq)]

@jimkleiber

to advertise to users that it exists and there is a way, whether thru application or invite or even paying, to access it.

That can be accomplished by this plugin Advertise activity in a private category (discourse-category-lockdown)