Update index.md
Update index.md

Node 6 is the new LTS
nicktheo59/site,oqyj/hexobg,thekevinscott/Hero-test,nicktheo59/site,tnu818/blog.iyu.pub,hexojs/site,pona08/site-static,jack08/static-test,LouisBarranqueiro/site,tnu818/blog.iyu.pub,nicktheo59/site,moajs/site,moajs/site,lotabout/site,freehao123/freehao123ne,DoubleShift/doublesu,KeishaSPerkins/firmly-planted,lotabout/site,LouisBarranqueiro/site,lucianobarauna/dochexo,thekevinscott/Hero-test,freehao123/freehao123ne,tnu818/blog.iyu.pub,KeishaSPerkins/firmly-planted,oqyj/hexobg,lucianobarauna/dochexo,lucianobarauna/dochexo,moajs/site,oqyj/hexobg,DoubleShift/doublesu,KeishaSPerkins/firmly-planted,pona08/site-static,jack08/static-test,DoubleShift/doublesu,thekevinscott/Hero-test,lotabout/site,pona08/site-static,freehao123/freehao123ne,hexojs/site,LouisBarranqueiro/site