It has been a little over a week since Good Stuff Eatery opened and the hoopla surrounding Capitol Hill’s newest burger joint has been monumental. Last night, owners Spike Mendelsohn and his family celebrated the official opening with a red carpet ribbon cutting and – a treat for D.C.’s reality TV fans – a mini-reunion of his fellow Top Chef contestants. Cooking compatriots Stephanie Izzard, who won Top Chef, Lisa Fernandez and Antonia Lofaso took…