* fix: resolve issue with comments not displaying due to KaTeX and Waline render order
* Fix the problem that comment data couldn't be pulled successfully and raise Error "Cannot read property ‘insertBefore’ of null""
Since it only accepts one element, I cannot pass `.article-content` and `#TableOfContent` to it. The official documentation uses `document.body` directly, so I guess that's fine.
closes https://github.com/CaiJimmy/hugo-theme-stack/issues/882