Update plugins.md (#6833)
Update plugins.md (#6833)

Merge pull request 6833
chrisfinazzo/jekyll,jekyll/jekyll,fulldecent/jekyll,chrisfinazzo/jekyll,chrisfinazzo/jekyll,Strangehill/jekyll,tillgrallert/jekyll,jekyll/jekyll,tillgrallert/jekyll,getandpost/jekyll.github.io,ryanshaw/jekyll,Strangehill/jekyll,x-way/jekyll,jaybe-jekyll/jekyll,tillgrallert/jekyll,x-way/jekyll,fulldecent/jekyll,jekyll/jekyll,Strangehill/jekyll,x-way/jekyll,yhironaka/yhironaka.github.io,jaybe-jekyll/jekyll,jaybe-jekyll/jekyll,x-way/jekyll,getandpost/jekyll.github.io,fulldecent/jekyll,Strangehill/jekyll,chrisfinazzo/jekyll,jekyll/jekyll,fulldecent/jekyll,jaybe-jekyll/jekyll,ryanshaw/jekyll,getandpost/jekyll.github.io,ryanshaw/jekyll,ryanshaw/jekyll,tillgrallert/jekyll,tillgrallert/jekyll,Strangehill/jekyll