A corner of a Brentwood Petco store was squirming as furry kittens yelped, sucked milk from bottles, languished in cages and took in the team of the newly formed Ohana Paw Patrol Rescue — a group aimed at finding homes for orphaned kittens in the area. “We help with rescuing cats as in they bring kittens to us,” said the group’s founder Annetta Giambruno-Mobley. “We help to get them healthy and get them ready — they’re big enough to get shots an…