Re-work the mercurial configuration section

Review Request #2120 — Created Dec. 11, 2022 and submitted

Information

imfreedom/contributors-guide
default

Reviewers

It was kind of confusing the way it was structured before and by putting all of
the information in the configuration we're telling users to copy, that means it
will be there for them later.

Ran codespell and verified in a browser

Summary ID
Re-work the mercurial configuration section
It was kind of confusing the way it was structured before and by putting all of the information in the configuration we're telling users to copy, that means it will be there for them later.
7f00e17d7d7b0f0e53c8214fe6e4a32cbf6e848a