Add a link to Giraffe Academy's tutorial (#7325)
Add a link to Giraffe Academy's tutorial (#7325)

Merge pull request 7325
tillgrallert/jekyll,jekyll/jekyll,ryanshaw/jekyll,chrisfinazzo/jekyll,ryanshaw/jekyll,ryanshaw/jekyll,jekyll/jekyll,fulldecent/jekyll,fulldecent/jekyll,chrisfinazzo/jekyll,fulldecent/jekyll,jaybe-jekyll/jekyll,x-way/jekyll,jaybe-jekyll/jekyll,jekyll/jekyll,Strangehill/jekyll,jaybe-jekyll/jekyll,x-way/jekyll,tillgrallert/jekyll,yhironaka/yhironaka.github.io,chrisfinazzo/jekyll,jaybe-jekyll/jekyll,tillgrallert/jekyll,x-way/jekyll,Strangehill/jekyll,Strangehill/jekyll,tillgrallert/jekyll,tillgrallert/jekyll,fulldecent/jekyll,jekyll/jekyll,Strangehill/jekyll,ryanshaw/jekyll,chrisfinazzo/jekyll,Strangehill/jekyll,x-way/jekyll