task(dev): put sample.json as default in indexhtml
task(dev): put sample.json as default in indexhtml

MasterDoublePrime/elx-newplayer,MasterDoublePrime/elx-newplayer,thenewgroup/elx-newplayer,thenewgroup/elx-newplayer,thenewgroup/elx-newplayer,thenewgroup/ilx-newplayer,thenewgroup/ilx-newplayer,MasterDoublePrime/elx-newplayer,MasterDoublePrime/elx-newplayer,thenewgroup/elx-newplayer,thenewgroup/ilx-newplayer,thenewgroup/ilx-newplayer