(feat): footer links should open in new tabs

Is this a bug? Make sure to use the Bug template above and be as detailed in your report as possible.

added ProductPro label

changed weight to 1

added to epic &68 (closed)

added 1 deleted label

added 1 deleted label

removed milestone

added StatusInProgress label

added StatusReview label and removed StatusInProgress label

added 30m of time spent at 2019-09-12

changed time estimate to 30m

closed

removed StatusReview label