New South Shore restaurants:Shake Shack, Playa Bowls, Crumbl, G Pub, Chopsticks & Forks PEMBROKE — A new sports complex in Pembroke called City Arena has brought indoor practice opportunities to an area that desperately needed them, its owners say.  The facility at 706 Washington St. houses two mini turf fields and two concrete fields that can be used for any sport, but are primarily soccer-focused during the complex’s first two weeks of opening.  “The idea is to give kids another avenue to train,” said Peter Umbrianna, one of the facility’s three owners. “It’s so tough over the winters.” Umbrianna, of Easton, said indoor sports facilities are at a premium with the number of…