add PUCKJS=1 doc
add PUCKJS=1 doc

Probable need for something more when I have made the puck.js make
wilberforce/Espruino,lancernet/Espruino,wilberforce/Espruino,lancernet/Espruino,lancernet/Espruino,luetgendorf/Espruino,wilberforce/Espruino,luetgendorf/Espruino,wilberforce/Espruino,luetgendorf/Espruino,wilberforce/Espruino,lancernet/Espruino,luetgendorf/Espruino,wilberforce/Espruino,luetgendorf/Espruino,wilberforce/Espruino,lancernet/Espruino,luetgendorf/Espruino,lancernet/Espruino,luetgendorf/Espruino,lancernet/Espruino