This plugin accepts the following configuration options:
-`renderEngine`: the engine to use to render LaTeX equations. Can be `"katex"` for [KaTeX](https://katex.org/) or `"mathjax"` for [MathJax](https://www.mathjax.org/) [SVG rendering](https://docs.mathjax.org/en/latest/output/svg.html). Defaults to KaTeX.
-`customMacros`: custom macros for all LaTeX blocks. It takes the form of a key-value pair where the key is a new command name and the value is the expansion of the macro. For example: `{"\\R": "\\mathbb{R}"}`