fix: copy cmake/ directory when cloning ros2_medkit

ROS2MedkitCompat.cmake was not being preserved during the selective
extraction of ros2_medkit packages, causing build failures in gateway,
serialization, and fault_manager packages that depend on it.

Author: bburda

demos/moveit_pick_place/Dockerfile

@@ -41,6 +41,7 @@ RUN mkdir -p /var/lib/ros2_medkit/rosbags
 ARG ROS2_MEDKIT_REF=main
 WORKDIR ${COLCON_WS}/src
 RUN git clone --depth 1 --branch ${ROS2_MEDKIT_REF} https://github.com/selfpatch/ros2_medkit.git && \
+    mv ros2_medkit/cmake ${COLCON_WS}/cmake && \
     mv ros2_medkit/src/ros2_medkit_gateway \
        ros2_medkit/src/ros2_medkit_msgs \
        ros2_medkit/src/ros2_medkit_serialization \

demos/sensor_diagnostics/Dockerfile

@@ -26,6 +26,7 @@ RUN apt-get update && apt-get install -y \
 # Clone ros2_medkit from GitHub (gateway + dependencies)
 WORKDIR ${COLCON_WS}/src
 RUN git clone --depth 1 https://github.com/selfpatch/ros2_medkit.git && \
+    mv ros2_medkit/cmake ${COLCON_WS}/cmake && \
     mv ros2_medkit/src/ros2_medkit_gateway . && \
     mv ros2_medkit/src/ros2_medkit_serialization . && \
     mv ros2_medkit/src/ros2_medkit_msgs . && \

demos/turtlebot3_integration/Dockerfile

@@ -46,6 +46,7 @@ RUN apt-get update && apt-get install -y \
 # Clone ros2_medkit from GitHub
 WORKDIR ${COLCON_WS}/src
 RUN git clone --depth 1 https://github.com/selfpatch/ros2_medkit.git && \
+    mv ros2_medkit/cmake ${COLCON_WS}/cmake && \
     mv ros2_medkit/src/ros2_medkit_gateway . && \
     mv ros2_medkit/src/ros2_medkit_msgs . && \
     mv ros2_medkit/src/ros2_medkit_serialization . && \