The Boston Celtics have a few tools at their disposa l this summer as they try to remake some of the supporting cast around Jayson Tatum and Jaylen Brown. And as we know, the Celtics are going to be as creative as possible when it comes to using them, which is a challenge to us on the outside as we try to figure out their plan of attack .  The needs We know they're looking to boost their frontcourt somehow . Either Neemias Queta remains the starter and the Celtics will add a big of, they hope, equal ability to back him up, or they will find someone who starts over him, making Queta one of the best, if not THE best, backup bigs in the league.  We also know they’d like to add some scoring off the bench. They could use someone a little more dynamic who is good at getting to the rim.  These generic, faceless archetypes are easy to identify by attribute, but very difficult to narrow down by name. That's a problem compounded by a fairly limited crop of free agents.…