feat: Set network=host in the compose file

We assume that the typical user will either have ROS installed on the
host or uses multiple containers connected via the hosts network.

compose.yaml

@@ -2,6 +2,7 @@ services:
     voraus_ros_bridge:
         image: ghcr.io/vorausrobotik/voraus-ros-bridge:main
         command: ros2 launch voraus-ros-bridge voraus-ros-bridge.launch.py
+        network_mode: host
         environment:
             - AMENT_PREFIX_PATH=/root/voraus-ros-bridge/install/voraus-ros-bridge:/opt/ros/humble
             - ROS_NAMESPACE=robot1