xauthority fix for gui in container

docker-compose.yml

@@ -12,6 +12,7 @@ services:
     image: lhw
     volumes:
       - /tmp/.X11-unix:/tmp/.X11-unix
+      - ~/.Xauthority:/root/.Xauthority
       - ./src/lhw_interfaces:/workspace/liu-home-wreckers/src/lhw_interfaces
       - ./waiter:/workspace/liu-home-wreckers/waiter
       - ./build:/workspace/liu-home-wreckers/build