Two busy weeks lie ahead for the Blackhawks during the zenith of the NHL offseason. With considerable improvement — if not an outright playoff berth — set as the expectation for next season, general manager Kyle Davidson must do everything in his power to try to upgrade his young roster. Here’s what this summer might bring: Draft The Hawks are less than a week away from a decision regarding the No. 4 overall pick. The first round of the draft wi…