Adding docs on the transaction context manager and transactions in general
Adding docs on the transaction context manager and transactions in
general

jnovinger/peewee,py4a/peewee,new-xiaji/peewee,coleifer/peewee,bopo/peewee,zhang625272514/peewee,fuzeman/peewee,jarrahwu/peewee,wenxer/peewee,coleifer/peewee,coreos/peewee,Sunzhifeng/peewee,teserak/peewee,Sunzhifeng/peewee,zhang625272514/peewee,jarrahwu/peewee,coreos/peewee,stas/peewee,Sunzhifeng/peewee,Dipsomaniac/peewee,ghukill/peewee,new-xiaji/peewee,softside/peewee,bopo/peewee,wenxer/peewee,bopo/peewee,coleifer/peewee,jnovinger/peewee,jarrahwu/peewee,d1hotpep/peewee,mackjoner/peewee,d1hotpep/peewee,Dipsomaniac/peewee,zhang625272514/peewee,new-xiaji/peewee,Dipsomaniac/peewee,fuzeman/peewee,lez/peewee,coreos/peewee,ronyb29/peewee