Bugfix: Rollback diff text

[JesmoDev]

Fixes missing colors on some properties in the diff text
Adds description of diffs and the meaning of the colors
Adds better styling including a table for properties and support for themes:

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Chore (minor updates related to the tooling or maintenance of the repository, does not impact compiled assets)

Checklist

• If my change requires a change to the documentation, I have updated the documentation in this pull request.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.