Chanelle Kimber was having the worst day of her life.  On Wednesday, the 31-year-old mother of two daughters received the news that Cheryl Avery, her 75-year-old grandmother, had been diagnosed with stage four pancreatic cancer. “My grandmother is my lifeline,” Kimber said. “It was completely devastating.” It is her grandmother who takes care of her daughters — Adalynn, age 8, and Korey, age 3 — when they are not in school. It is her grandmother who takes care of her mother, an Army veteran who is nonverbal after suffering a series of strokes. It is her grandmother who helps out at her new bakery, The Bougie Cookie Boutique.  That evening, Kimber and her cousin gathered in…