docs: Mention macOS container (#571)

readme.md

@@ -335,6 +335,10 @@ kubectl apply -f kubernetes.yml
 
   In case the device is a USB disk drive, please wait until after the installation is completed before connecting it. Otherwise the installation may fail, as the order of the disks can get rearranged.
 
+* ### How do I run macOS in a container?
+
+  You can use [dockur/macos](https://github.com/dockur/macos) for that. It shares many of the same features, except for the automatic installation.
+
 * ### Is this project legal?
 
   Yes, this project contains only open-source code and does not distribute any copyrighted material. Any product keys found in the code are just generic placeholders provided by Microsoft for trial purposes. So under all applicable laws, this project would be considered legal.