The Vegas Golden Knights have signed restricted free agents Cole Schwindt, Jonas Rondbjerg and Raphael Lavoie to one-year contracts, the club announced Sunday. The deals come one week after Vegas extended qualifying offers to all three forwards on June 30. Schwindt signed a one-year, $825,000 contract, while Ronbjerg and Lavoie signed one-year, two-way deals with cap hits of $775…