Update the fields docs with links
Update the fields docs with links

coleifer/peewee,jnovinger/peewee,zhang625272514/peewee,lez/peewee,zhang625272514/peewee,mackjoner/peewee,ronyb29/peewee,wenxer/peewee,coleifer/peewee,bopo/peewee,bopo/peewee,coleifer/peewee,stas/peewee,softside/peewee,bopo/peewee,zhang625272514/peewee,teserak/peewee,wenxer/peewee,py4a/peewee,ghukill/peewee,jnovinger/peewee