FAQ page review and a few other fixes

[JustStayingPositive]

Description

Review of the FAQ page (not currently committed as the initial revision is still wip) and a few other miscellaneous fixes/improvements

Checklist

• Markdown formatting has been checked and renders correctly with no issue
• All information provided in the pull request is accurate and up to date with MoonlightBot's functioning
• All information provided is consistent with the already existing style of the rest of documentation (skip this if you're modifying the style as whole)
• Reasonable efforts have been made to make the documentation readable to the end user
• Reasonable effort has been put in proofreading the text for any spelling, typography or grammar errors
• If this pull request features changes that have been made in beta versions, it is immediate to the end user to understand this

[MoonlightCapital]

Manual of style looks good to start with, I'd use some clearer terminology instead of "stuff", and run it through MarkdownLint to remove formatting errors