playback handler: add stats plugin
playback handler: add stats plugin

dayvson/clappr,flavioribeiro/clappr,clappr/clappr,Metrakit/clappr,tarkanlar/clappr,tjenkinson/clappr,kelonye/clappr,Pyrotoxin/clappr,tarkanlar/clappr,irongomme/clappr,Metrakit/clappr,wxmfront/clappr,flavioribeiro/clappr,tjenkinson/clappr,jfairley/clappr,dayvson/clappr,Peer5/clappr,wxmfront/clappr,clappr/clappr,flavioribeiro/clappr,clappr/clappr,shakin/clappr,burakkp/clappr,Peer5/clappr,tarkanlar/clappr,MariadeAnton/clappr,Pyrotoxin/clappr,kelonye/clappr,leandromoreira/clappr,wxmfront/clappr,tjenkinson/clappr,MariadeAnton/clappr,shakin/clappr,Pyrotoxin/clappr,jfairley/clappr,leandromoreira/clappr,kelonye/clappr,irongomme/clappr,burakkp/clappr,burakkp/clappr,shakin/clappr,dayvson/clappr,leandromoreira/clappr,Metrakit/clappr,Peer5/clappr,irongomme/clappr,jfairley/clappr,MariadeAnton/clappr