new math rendering on web

contrib/mkdocs/mathfiles.txt

@@ -0,0 +1,2 @@
+index.md
+Density-Functional-Theory-for-Molecules.md

contrib/mkdocs/mkdocs.yml

@@ -8,7 +8,20 @@ theme:
 use_directory_urls: false
 markdown_extensions:
     - smarty
-    - toc
+    - toc:
+        permalink: True
+    - tables
+#    - markdown_katex:
+#         no_inline_svg: True
+#         insert_fonts_css: True
+#         macro-file: macros.tex
+#    - pymdownx.arithmatex
+#extra_javascript:
+#  - 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/MathJax.js?config=TeX-MML-AM_CHTML'
+    - mdx_math:
+extra_javascript:
+  - https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML
+  - mathjaxhelper.js
 plugins:
   - search
   - alternate-link

contrib/mkdocs/remove_svg.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+gsed \
+   -e  's/<img alt=\"\$\$/\$\$/' \
+   -e  's/<img alt=\"\\(/\\(/' \
+   -e  's/\" src=\"https:\/\/raw.githubusercontent.com\/wiki\/nwchemgit\/nwchem\/svgs.*//' \
+   -e  's/\" src=\"svgs.*//' \
+$1