Add port mapping/deleting example

[StevenLooman]

Thanks, looks great! Please fix any errors from GitHub Actions. Then I'll merge this.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 72.46%. Comparing base (858cb4c) to head (e37074d).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## development #220 +/- ## ============================================ Coverage 72.46% 72.46% ============================================ Files 19 19 Lines 4049 4049 ============================================ Hits 2934 2934 Misses 1115 1115 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[brostosjoined]

Done

[StevenLooman]

208.misc should be called 220.misc, as in #220.

[StevenLooman]

Thanks!