use steps for strike creation

it would be way nicer to have steps in strike creation, so the single steps are clearer for itself.

changed milestone to %visual improvements

added feature label

assigned to @vincent

changed due date to May 16, 2020

mentioned in issue #16 (closed)

removed due date

assigned to @dmho and unassigned @vincent

created merge request !2 (merged) to address this issue

mentioned in merge request !2 (merged)

closed via merge request !2 (merged)

mentioned in commit cf32ea23