Add roadmap for 2.0.0.
Add roadmap for 2.0.0.

Signed-off-by: Raphaël Barrois <8eb3b37a023209373fcd61a2fdc08256a14fb19c@polytechnique.org>

rrauenza/factory_boy,FactoryBoy/factory_boy,rbarrois/factory_boy,yograterol/factory_boy,QuantumGhost/factory_boy,dpausp/factory_boy,fizista/factory_boy,kamotos/factory_boy,muhammad-ammar/factory_boy,adamchainz/factory_boy,mapleoin/factory_boy