Update README.rst
Update README.rst

update facts about nave.
Milstein/nodeenv,jamesblunt/nodeenv,asottile/nodeenv,Milstein/nodeenv,chriskuehl/nodeenv,simudream/nodeenv,jamesblunt/nodeenv,twmt/nodeenv,jhermann/nodeenv,simudream/nodeenv,chriskuehl/nodeenv,twmt/nodeenv,asottile/nodeenv