[rb-general] Project documentation on reproducible-builds.org

[u]

Hi!

Steven Chamberlain:
> Mattia Rizzolo wrote: 
>> prefer MLs over private email addresses...)
> 
> Some of these projects are actually just one person, or only one person
> works on reproducible builds there, so we could list them individually.

Yes, but people should not spammed, so I think they should opt-in
explicitly :)

Cheers!