migrate db
Merge branch 'taskd/lineitems'
Merge branch 'master' into taskd/addcartbtn
add add_to_cart btn
add has many relationship cart line items
Merge branch 'taskd/lineitems'
Merge branch 'master' into taskd/addcartbtn
implement add cart button
revert number_to_currency
Merge branch 'taskd/addcartbtn'