chore(docs): hide table of contents in navigation sidebar for user story

[Shegox]

Changes

This PR hides the table of content in the navigation sidebar for just a single page (the user story).

The implementation is based on this recommendation from squidfunk/mkdocs-material#2162 (comment).

Context

For users it might be confusing to see the heading like I don’t feel like upgrading, what if? in the navigation sidebar and thus we only display the name of the user story without rendering the table of content.

Maybe we should have an index page for user stories so that each individual story is not in the sidebar at all and so that it doesn't expand when clicking on it - rarkins

Based on this slack thread: https://renovatebot.slack.com/archives/CAFH752JU/p1661266207521999

Documentation (please check one with an [x])

• I have updated the documentation, or
• No documentation update is required

How I've tested my work (please tick one)

I have verified these changes via:

• Code inspection only, or
• Newly added/modified unit tests, or
• No unit tests but ran on a real repository, or
• Both unit tests + ran on a real repository
  Build and tested locally:

[viceice]

was on the ways to suggest a markdownlint option¹ to solve the error 😅

Footnotes

1. https://github.com/DavidAnson/markdownlint#configuration ↩

[renovate-release]

🎉 This PR is included in version 32.174.0 🎉

The release is available on:

• GitHub release
• 32.174.0

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