feat: html documentation

[ematipico]

Summary

Follow up of biomejs/biome#6907

Also, I noticed we didn't document the HTML options at all. In this PR, those docs too.

[netlify]

❌ Deploy Preview for biomejs failed. Why did it fail? →

Name	Link
🔨 Latest commit	0d6a99b
🔍 Latest deploy log	https://app.netlify.com/projects/biomejs/deploys/689aec901d310c0008816527

[github-actions]

Lunaria Status Overview

🌕 This pull request will trigger status changes.

Learn more

By default, every PR changing files present in the Lunaria configuration's files property will be considered and trigger status changes accordingly.

You can change this by adding one of the keywords present in the ignoreKeywords property in your Lunaria configuration file in the PR's title (ignoring all files) or by including a tracker directive in the merged commit's description.

Tracked Files

Locale	File	Note
en	src/content/docs/reference/configuration.mdx	Source changed, localizations will be marked as outdated.

Warnings reference

Icon	Description
🔄️	The source for this localization has been updated since the creation of this pull request, make sure all changes in the source have been applied.