Add localization-string file left out of previous commit
Add localization-string file left out of previous commit

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