Added first timers badge and pr's welcome badge.
Added first timers badge and pr's welcome badge.

esfiddle/esfiddle,collinmesser/esfiddle,asiyani/esfiddle,joshghent/es6-fiddle-web,joshghent/es6-fiddle-web,esfiddle/esfiddle,vcapretz/esfiddle,vcapretz/esfiddle,asiyani/esfiddle,collinmesser/esfiddle,esfiddle/esfiddle