refactor: annotate pymapdl part 1

[germa89]

Description

Annotate some files

Issue linked

Related to #3480

Checklist

• I have visited and read Develop PyMAPDL.
• I have tested my changes locally
• I have added necessary documentation or updated existing documentation.
• I have followed the PyMAPDL coding style guidelines.
• I have added appropriate unit tests that also ensure the minimal coverage criteria.
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved to the PR if any.
• I have assigned this PR to myself.
• I have marked this PR as draft if it is not ready to be reviewed yet.
• I have made sure that the title of my PR follows Commit naming conventions (e.g. feat: adding new MAPDL command)

[ansys-reviewer-bot]

Thanks for opening a Pull Request. If you want to perform a review write a comment saying:

@ansys-reviewer-bot review

[germa89]

@ansys-reviewer-bot review

[ansys-reviewer-bot]

Okay, I will trigger a review of your PR.

[clatapie]

LGTM!

[germa89]

Okay, I will trigger a review of your PR.

... so?

@RobPasMue

[RobPasMue]

@ansys-reviewer-bot review

[ansys-reviewer-bot]

Okay, I will trigger a review of your PR.

[RobPasMue]

Okay, I will trigger a review of your PR.

... so?

@RobPasMue

Haha! something might be broken... I'll have to look into it and see what's going on.

[RobPasMue]

@ansys-reviewer-bot help

[ansys-reviewer-bot]

I am sorry... I cannot understand your request.

Options are:

• @ansys-reviewer-bot review: to ask for a review.

[RobPasMue]

@ansys-reviewer-bot review

[ansys-reviewer-bot]

Okay, I will trigger a review of your PR.

[RobPasMue]

Bot's failing - something changed in GitHub's API and OpenAI's API probably. I'll need to investigate... next week 😄

[germa89]

Bot's failing - something changed in GitHub's API and OpenAI's API probably. I'll need to investigate... next week 😄

No rush! :)

I will keep it open so you can test it. I think this PR should be easy for the bot. :)

[codecov]

Codecov Report

Attention: Patch coverage is 99.30070% with 2 lines in your changes missing coverage. Please review.

Project coverage is 87.05%. Comparing base (853daba) to head (750308c).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3569      +/-   ##
==========================================
+ Coverage   86.93%   87.05%   +0.12%     
==========================================
  Files         187      187              
  Lines       14616    14621       +5     
==========================================
+ Hits        12707    12729      +22     
+ Misses       1909     1892      -17