Enhance work in proges rest api docs page

[jh-RLI]

Summary of the discussion

The mkdocs apge for the REST-API is currently work in progress and will be updated within the next couple months. This update adds more context and links to the academy api tutorials.

Type of change (CHANGELOG.md)

Documentation updates

• Update the REST-API page of the documentation (#1632):
  • It is currently work in progress and will be updated within the next couple months.
  • This update adds more context and links to the academy api tutorials.

Workflow checklist

Automation

Closes #1634

PR-Assignee

• [x] 🐙 Follow the workflow in CONTRIBUTING.md
• [x] 📝 Update the CHANGELOG.md
• [x] 📙 Update the documentation on mkdocs

Reviewer

• [ ] 🐙 Follow the Reviewer Guidelines
• [ ] 🐙 Provided feedback and show sufficient appreciation for the work done