An X community linked to an account.
:id is the local row id, which is what unlinks it; :community_id is X's own id.
:id
:community_id
@type t() :: %FoPost.Community{ account_id: term(), community_id: term(), created_at: term(), description: term(), id: term(), image_url: term(), last_synced_at: term(), member_count: term(), name: term(), raw: term() }