Reformatted README.md
Reformatted README.md

I inserted a usorted list and reformatted the code pieces. From my impression it is better readable now.
berkus/pond,saltthefries/pond,saltthefries/pond,ArneBab/pond,sillvan/pond,agl/pond,infinity0/pond,ioerror/pond,ioerror/pond,berkus/pond,sillvan/pond,agl/pond,infinity0/pond,ArneBab/pond