Included more details about adding defaults to static files
Included more details about adding defaults to static files

Based on the functionality released in [3.4.2](http://jekyllrb.com/news/2017/03/09/jekyll-3-4-2-released/) re adding defaults to static files, I thought this page needed some more detail.
rasa2011/rasa2011.github.io,x-way/jekyll,tillgrallert/jekyll,getandpost/jekyll.github.io,x-way/jekyll,fulldecent/jekyll,getandpost/jekyll.github.io,jekyll/jekyll,jaybe-jekyll/jekyll,jekyll/jekyll,jaybe-jekyll/jekyll,jekyll/jekyll,tillgrallert/jekyll,gencer/jekyll,ryanshaw/jekyll,alex-kovac/jekyll,alex-kovac/jekyll,tomjohnson1492/jekyll,gencer/jekyll,tomjohnson1492/jekyll,Strangehill/jekyll,jekyll/jekyll,ryanshaw/jekyll,chrisfinazzo/jekyll,alex-kovac/jekyll,chrisfinazzo/jekyll,Strangehill/jekyll,Strangehill/jekyll,yhironaka/yhironaka.github.io,rasa2011/rasa2011.github.io,alex-kovac/jekyll,jaybe-jekyll/jekyll,Strangehill/jekyll,tomjohnson1492/jekyll,getandpost/jekyll.github.io,x-way/jekyll,fulldecent/jekyll,chrisfinazzo/jekyll,alex-kovac/jekyll,ryanshaw/jekyll,jaybe-jekyll/jekyll,fulldecent/jekyll,tillgrallert/jekyll,tomjohnson1492/jekyll,fulldecent/jekyll,x-way/jekyll,Strangehill/jekyll,gencer/jekyll,gencer/jekyll,tomjohnson1492/jekyll,chrisfinazzo/jekyll,rasa2011/rasa2011.github.io,tillgrallert/jekyll,tillgrallert/jekyll,ryanshaw/jekyll,gencer/jekyll