Add katex
Update project uikit to 2.11.1
Merge pull request #1995 from as-com/katex/0.1.0

Add KaTeX
Merge pull request #2000 from jsdelivrbot/uikit/2.11.1

Update project uikit to 2.11.1
Revert "Update project uikit to 2.11.1"
Merge pull request #2004 from jsdelivr/revert-2000-uikit/2.11.1

Revert "Update project uikit to 2.11.1"