Remove plugins and URLs not available in Debian Remove awesome-pages and remove polyfill.min.js not available in Debian and replace tex-mml-chtml.js URL with local URL.
Fix documentation build with mkdocstrings 0.29 The previous approach to passing options to `mkdocstrings-python` started showing deprecation warnings with `mkdocstrings` 0.28.0, and started failing with `mkdocstrings` 0.28.3.
