Add docstrings to Octopoes models

[stephanie0x00]

Changes

This PR adds docstrings to extend the Octopoes model.

Issue link

Issue: #2946

Closes #2946

Demo

Please add some proof in the form of screenshots or screen recordings to show (off) new functionality, if there are interesting new features for end-users.

QA notes

Please add some information for QA on how to test the newly created code.

---

Code Checklist

• All the commits in this PR are properly PGP-signed and verified.
• This PR only contains functionality relevant to the issue.
• I have written unit tests for the changes or fixes I made.
• I have checked the documentation and made changes where necessary.
• I have performed a self-review of my code and refactored it to the best of my abilities.

• Tickets have been created for newly discovered issues.
• For any non-trivial functionality, I have added integration and/or end-to-end tests.
• I have informed others of any required .env changes files if required and changed the .env-dist accordingly.
• I have included comments in the code to elaborate on what is not self-evident from the code itself, including references to issues and discussions online, or implicit behavior of an interface.

---

Checklist for code reviewers:

Copy-paste the checklist from the docs/source/templates folder into your comment.

---

Checklist for QA:

Copy-paste the checklist from the docs/source/templates folder into your comment.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud