Adds python demo examples

[Voldivh]

🎉 New feature

Summary

This PR creates the python version of a couple of examples. It is basically the same code as the C++ version but using the python bindings for gz-transport package created on this PR.

Test it

The run instructions appears as comments at the top of each file.
Note: In order for this to work it is needed to checkout the branch from the PR mentioned above.

Checklist

• Signed all commits for DCO
• Added tests
• Added example and/or tutorial
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[Voldivh]

@azeey For some reason it didn't allow me to reopen the other PR, so I went ahead and created this one.

[codecov]

Codecov Report

Merging #2044 (b04d3c4) into main (5846393) will decrease coverage by 0.04%.
Report is 3 commits behind head on main.
The diff coverage is n/a.

❗ Current head b04d3c4 differs from pull request most recent head 335cf36. Consider uploading reports for the commit 335cf36 to get more accurate results

@@            Coverage Diff             @@
##             main    #2044      +/-   ##
==========================================
- Coverage   65.32%   65.28%   -0.04%     
==========================================
  Files         321      321              
  Lines       30303    30303              
==========================================
- Hits        19795    19783      -12     
- Misses      10508    10520      +12     

see 1 file with indirect coverage changes

[azeey]

@caguero mind taking a look?

[caguero]

Both examples work for me. I just left a few minor comments.

Feedback addressed