Tucked inside a cheerfully-painted sage green house on a residential street near downtown Cranford is Lost and Found Tattoo Studio, a quirky business housed in the lower level of Ali Mennor’s converted childhood home. On a recent afternoon, Mennor used a tattoo machine to delicately layer and saturate a bright bouquet of flowers — including strings of lavender, teal forget-me-nots and cotton-candy pink cosmos — on Mercedes Smith’s skin. But, this wasn’t a typical tattoo: Mennor, the studio’s owner, was tattooing Smith’s reconstructed breasts following her breast cancer treatment. “I could have…