[openstreetmap/openstreetmap-website] Add banner to notify about "active contributor membership program" in website (#2789)

[naveenpf]

Informing regular contributors is important. 
Many will not be following talk lists, blogs or social media. 

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/openstreetmap-website/issues/2789#issuecomment-678761646
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/rails-dev/attachments/20200823/d0a1d576/attachment.htm>