Make ROS backend generate Dockerfile. Refs #136.

[ivanperez-keera]

Make ROS backend generate dockerfile that compiles the generated monitoring node, and add a test to check that the generated dockerfile works, as prescribed in the solution proposed for #136.

[ivanperez-keera]

Change Manager: Verified that:

• Solution is implemented:
  • [X] The code proposed compiles passes the tests. Details:
  • Build logs:
    • https://github.com/nasa/ogma/actions/runs/9171243780/job/25215156304?pr=141
    • https://github.com/nasa/ogma/actions/runs/9171243775/job/25215156310?pr=141
  • Build log archives:
    • logs_24000757623.zip
    • logs_24000757647.zip
  • [X] The solution proposed fixes the issues described. Performed by visual inspection. The new CI job checks that the ros command generates a Dockerfile and builds the image.
• [X] Implementation is documented. Details: The README is adjusted to instruct users to use the generated Dockerfile.
• [X] Change history is clear.
• [X] Commit messages are clear.
• [X] Changelogs are updated.
• [X] Examples are updated. Details: No examples affected.
• [X] Required version bumps are evaluated. Details: Bump needed (output files generated using different structure).