Update documentation of database setup
Update documentation of database setup

db:setup is doing db:schema and db:seed already

RohanM/openfoodnetwork,KateDavis/openfoodnetwork,stveep/openfoodnetwork,Em-AK/openfoodnetwork,ecocitycore/openfoodnetwork,folklabs/openfoodnetwork,oeoeaio/openfoodnetwork,openfoodfoundation/openfoodnetwork,levent/openfoodnetwork,lin-d-hop/openfoodnetwork,Em-AK/openfoodnetwork,ecocitycore/openfoodnetwork,levent/openfoodnetwork,RohanM/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,openfoodfoundation/openfoodnetwork,lin-d-hop/openfoodnetwork,openfoodfoundation/openfoodnetwork,mkllnk/openfoodnetwork,ltrls/openfoodnetwork,folklabs/openfoodnetwork,lin-d-hop/openfoodnetwork,MikeiLL/openfoodnetwork,oeoeaio/openfoodnetwork,KateDavis/openfoodnetwork,oeoeaio/openfoodnetwork,oeoeaio/openfoodnetwork,mkllnk/openfoodnetwork,mkllnk/openfoodnetwork,Matt-Yorkley/openfoodnetwork,Matt-Yorkley/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,lin-d-hop/openfoodnetwork,ltrls/openfoodnetwork,stveep/openfoodnetwork,MikeiLL/openfoodnetwork,openfoodfoundation/openfoodnetwork,Em-AK/openfoodnetwork,stveep/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,ltrls/openfoodnetwork,RohanM/openfoodnetwork,levent/openfoodnetwork,folklabs/openfoodnetwork,ecocitycore/openfoodnetwork,MikeiLL/openfoodnetwork,Matt-Yorkley/openfoodnetwork,Matt-Yorkley/openfoodnetwork,RohanM/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,folklabs/openfoodnetwork,KateDavis/openfoodnetwork,ecocitycore/openfoodnetwork,levent/openfoodnetwork,KateDavis/openfoodnetwork,Em-AK/openfoodnetwork,MikeiLL/openfoodnetwork,mkllnk/openfoodnetwork,stveep/openfoodnetwork,ltrls/openfoodnetwork