Add code fencing around an example in the README
Add code fencing around an example in the README

uberjay/prmd,MobileDevHQ/prmd,shopkeep/prmd,michaelsauter/prmd,robhurring/prmd,niaeashes/prmd,robhurring/prmd,interagent/prmd,uberjay/prmd,junya-i/prmd,shopkeep/prmd,hmac/prmd,hmac/prmd,niaeashes/prmd,mykecameron/prmd,mlr/prmd,interagent/prmd,ruprict/prmd,IceDragon200/prmd,IceDragon200/prmd,araines/prmd,mykecameron/prmd,hx/prmd,hx/prmd,mlr/prmd,junya-i/prmd,araines/prmd,michaelsauter/prmd,ruprict/prmd,MobileDevHQ/prmd