VAUXHALL — Attention shoppers: If you are unhappy with how you are treated at a local supermarket, take your story to Facebook. That’s the lesson from 70-year-old Maplewood woman Marge Dooley, whose story apparently generated so much social media chatter that it solicited an apology from her local Whole Foods. According to VillageGreenNJ.com, Dooley was walking…