I think you're misunderstanding what a stackexchange site is and what area51.
It is supposed to become a knowledge base of question and answer.
This landscape may be referenced, individuals peoples may create PR or issues on it, but there's no guarantee.
Last, while a proposal is under definition it's just about clearing what would be on topic. this question could be a proposed question, it would be off topic as there's nothing like a "group". As is, this sounds more like spam than something else.