Moved THEME into its own file, added safe_get_image to prevent crash if image is not present, stubbed worker and some other bits for later.

lib/worker/api.rb

@@ -0,0 +1,10 @@
+module W3DHubLauncher
+  class Worker
+    class Api
+      Request = Data.define(:coming_soon)
+
+      def initialize
+      end
+    end
+  end
+end