ANN ARBOR, MI — Counting every candy cane, gumdrop and critter, Carly Groves estimates there are about 300 pieces of holiday “flair” outside her family’s home in Ann Arbor. That includes a giant Santa, reindeer, snow people, bears, penguins, flamingos, unicorns, whales, owls, llamas, squirrels, tigers, pigs, a seahorse, octopus, peacock, donkey, moose, saguaro cacti, Snoopy and Woodstock in a …