Markdown tweaks

[XhmikosR]

Signed-off-by: XhmikosR xhmikosr@gmail.com

By submitting this pull request, I confirm the following:
please fill any appropriate checkboxes, e.g: [X]

• I have read and understood the contributors guide, as well as this entire template.
• I have made only one major change in my proposed changes.
• I have commented my proposed changes within the code.
• I have tested my proposed changes, and have included unit tests where possible.
• I am willing to help maintain this change if there are issues with it later.
• I give this submission freely and claim no ownership.
• It is compatible with the EUPL 1.2 license
• I have squashed any insignificant commits. (git rebase)

Please make sure you Sign Off all commits. Pi-hole enforces the DCO.

---

There shouldn't be any changes in the rendered file, apart from the header callout and the code snippets. Regarding the former, I used what we have in the docs repo so that we are consistent.

This might conflict with #3412, so I'm marking it as draft and I'll rebase when that's merged.

[pralor-bot]

This pull request has been mentioned on Pi-hole Userspace. There might be relevant details there:

https://discourse.pi-hole.net/t/pi-hole-5-1-released/35577/1