[docs] add examples for static files liquid metadata
[docs] add examples for static files liquid metadata

noikiy/jekyll,noikiy/jekyll,alex-kovac/jekyll,tillgrallert/jekyll,fulldecent/jekyll,jekyll/jekyll,alfredxing/jekyll,xiebinhqy/jklly_china,tillgrallert/jekyll,ryanshaw/jekyll,gencer/jekyll,tomjohnson1492/jekyll,chrisfinazzo/jekyll,xiebinhqy/jklly_china,gencer/jekyll,getandpost/jekyll.github.io,jekyll/jekyll,rlugojr/jekyll,jekyll/jekyll,x-way/jekyll,jaybe-jekyll/jekyll,getandpost/jekyll.github.io,tomjohnson1492/jekyll,ZDroid/jekyll,darwin/jekyll,xiebinhqy/jklly_china,gencer/jekyll,Strangehill/jekyll,tomjohnson1492/jekyll,getandpost/jekyll.github.io,tillgrallert/jekyll,xiebinhqy/jklly_china,ZDroid/jekyll,alex-kovac/jekyll,alfredxing/jekyll,darwin/jekyll,x-way/jekyll,jaybe-jekyll/jekyll,alfredxing/jekyll,rasa2011/rasa2011.github.io,jekyll/jekyll,rasa2011/rasa2011.github.io,noikiy/jekyll,chrisfinazzo/jekyll,gencer/jekyll,rlugojr/jekyll,darwin/jekyll,rlugojr/jekyll,jaybe-jekyll/jekyll,x-way/jekyll,yhironaka/yhironaka.github.io,alfredxing/jekyll,jaybe-jekyll/jekyll,chrisfinazzo/jekyll,rlugojr/jekyll,alex-kovac/jekyll,darwin/jekyll,Strangehill/jekyll,tillgrallert/jekyll,ryanshaw/jekyll,chrisfinazzo/jekyll,tomjohnson1492/jekyll,fulldecent/jekyll,Strangehill/jekyll,rasa2011/rasa2011.github.io,Strangehill/jekyll,fulldecent/jekyll,Strangehill/jekyll,tillgrallert/jekyll,fulldecent/jekyll,noikiy/jekyll,ryanshaw/jekyll,x-way/jekyll,alex-kovac/jekyll,tomjohnson1492/jekyll,gencer/jekyll,ZDroid/jekyll,alex-kovac/jekyll,ryanshaw/jekyll