Updated 'target' to 'es2015' to enable async notation
Updated 'target' to 'es2015' to enable async notation

jimthedev/DefinitelyTyped,rolandzwaga/DefinitelyTyped,zuzusik/DefinitelyTyped,georgemarshall/DefinitelyTyped,benishouga/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,alexdresko/DefinitelyTyped,abbasmhd/DefinitelyTyped,borisyankov/DefinitelyTyped,magny/DefinitelyTyped,georgemarshall/DefinitelyTyped,alexdresko/DefinitelyTyped,jimthedev/DefinitelyTyped,AgentME/DefinitelyTyped,benliddicott/DefinitelyTyped,arusakov/DefinitelyTyped,georgemarshall/DefinitelyTyped,one-pieces/DefinitelyTyped,chrootsu/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,mcliment/DefinitelyTyped,georgemarshall/DefinitelyTyped,magny/DefinitelyTyped,AgentME/DefinitelyTyped,dsebastien/DefinitelyTyped,dsebastien/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,AgentME/DefinitelyTyped,zuzusik/DefinitelyTyped,aciccarello/DefinitelyTyped,chrootsu/DefinitelyTyped,aciccarello/DefinitelyTyped,AgentME/DefinitelyTyped,benishouga/DefinitelyTyped,markogresak/DefinitelyTyped,jimthedev/DefinitelyTyped,benishouga/DefinitelyTyped,zuzusik/DefinitelyTyped,arusakov/DefinitelyTyped,arusakov/DefinitelyTyped,abbasmhd/DefinitelyTyped,rolandzwaga/DefinitelyTyped,borisyankov/DefinitelyTyped,nycdotnet/DefinitelyTyped,nycdotnet/DefinitelyTyped,laurentiustamate94/DefinitelyTyped,aciccarello/DefinitelyTyped