Added UUID to micro-ROS host (#223)

Author: pablogs9

config/host/generic/client_host_packages.repos

@@ -43,3 +43,8 @@ repositories:
     type: git
     url: https://github.com/ros2/rcl_interfaces
     version: foxy
+
+  ros2/unique_identifier_msgs:
+    type: git
+    url: https://github.com/ros2/unique_identifier_msgs
+    version: foxy