Add Misty to authors

Author: mistydemeo

chatops-controller.gemspec

@@ -7,7 +7,7 @@ require "chatops/controller/version"
 Gem::Specification.new do |s|
   s.name        = "chatops-controller"
   s.version     = ChatopsController::VERSION
-  s.authors     = ["Ben Lavender", "GitHub"]
+  s.authors     = ["Ben Lavender", "Misty De Meo", "GitHub"]
   s.homepage    = "https://github.com/github/chatops-controller"
   s.email       = ["opensource+chatops-controller@github.com"]
   s.license     = "MIT"