Command scenario uses incorrect build names

[sseiber]

This issue is for a: (mark with an x)

- [ ] bug report -> please search issues before submitting
- [ ] feature request
- [x] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)

Minimal steps to reproduce

The documentation uses the wrong build name/paths when asking the user to run the samples.

In this section: https://github.com/sseiber/MqttApplicationSamples/tree/main/scenarios/command#game_die-run-the-sample

the documentation asks the user to run "dotnet/command_producer..." and "dotnet/command_consumer..." when it should be "dotnet/command_server..." and "dotnet/command_client...".

[sseiber]

After this PR 61 is approved (or denied and closed) I have another PR ready for this change.