Add example for a `rake db:migrate` task.
Add example for a `rake db:migrate` task.

yazshel/sequel,uhoh-itsmaciek/sequel,offshore-safety/sequel,pfarrell/sequel,gferguson-gd/sequel,seeARMS/sequel,pfarrell/sequel,reubano/sequel,gferguson-gd/sequel,mpalmer/sequel,dennis-d/custom_sequel,freshpay/sequel,freshpay/sequel,davidbegin/sequel,uhoh-itsmaciek/sequel,knut2/sequel,beni55/sequel,t-morgan/sequel,davidbegin/sequel,Marketcircle/sequel,offshore-safety/sequel,seeARMS/sequel,reubano/sequel,nju520/sequel,nju520/sequel,nicohvi/sequel,yazshel/sequel,knut2/sequel,t-morgan/sequel,dennis-d/custom_sequel,beni55/sequel,offshore-safety/sequel,nicohvi/sequel,mpalmer/sequel