docs(theming): fix broken links (#1294)
docs(theming): fix broken links (#1294)

https://ionicframework.com/docs/theming/Row#row-attributes
https://ionicframework.com/docs/theming/Col#column-attributes
Both links above were broken.
driftyco/ionic-site,driftyco/ionic-site,ionic-team/ionic-site,driftyco/ionic-site,driftyco/ionic-site,ionic-team/ionic-site,ionic-team/ionic-site,ionic-team/ionic-site,driftyco/ionic-site