Added more details about using the CDN with a local configuration file
Added more details about using the CDN with a local configuration file

GerHobbelt/MathJax-docs,mathjax/MathJax-docs,mathjax/MathJax-docs,Axure/MathJax-docs,GerHobbelt/MathJax-docs,Axure/MathJax-docs,mitya57/mathjax-docs,mitya57/mathjax-docs