[real-world uses] Rename writeLaTeX to Overleaf
[real-world uses] Rename writeLaTeX to Overleaf

Rename writeLaTeX to Overleaf in the list of real-world uses.

https://www.overleaf.com/blog/190-writelatex-is-continued-overleaf
hackmdio/CodeMirror,dperetti/CodeMirror,wingify/CodeMirror,dperetti/CodeMirror,pabloferz/CodeMirror,nightwing/CodeMirror,wingify/CodeMirror,pabloferz/CodeMirror,pabloferz/CodeMirror,nightwing/CodeMirror,hackmdio/CodeMirror,dperetti/CodeMirror,hackmdio/CodeMirror,nightwing/CodeMirror,wingify/CodeMirror