Add new nad parameters

[EtienneLt]

Please check if the PR fulfills these requirements

• [x] The commit message follows our guidelines
• [x] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)

Does this PR already have an issue describing the problem?

No

What kind of change does this PR introduce?

Feature

What is the new behavior (if this is a feature change)? We expose to python API some new NAD parameters

Does this PR introduce a breaking change or deprecate an API?

• [ ] The Breaking Change or Deprecated label has been added
• [ ] The migration guide has been updated in the github wiki (What changes might users need to make in their application due to this PR?)

Other information:

[EtienneLt]

Could you also add substationDescriptionDisplayed?

I add it to the list

[EtienneLt]

done