Atlanta — Chicken Salad Chick, the nation’s only Southern-inspired, fast-casual chicken salad restaurant concept, plans to move its headquarters from Auburn, Ala., where it was founded in 2008, to Atlanta. The relocation is slated to take place during first quarter 2021. The company’s new office will be located in the Vinings section of Atlanta at the Overlook II building — across the street from its Vinings restaurant — housing the leadership team of approximately 40 current and new employees. Chicken Salad Chick expects 17 Auburn, Ala.-based corporate employees to transition …