chore: add es7 array includes method to custom type definitions
chore: add es7 array includes method to custom type definitions

rolandjitsu/ng2-play,rolandjitsu/angular-lab,rolandjitsu/ng2-lab,rolandjitsu/ng2-lab,rolandjitsu/angular-lab,rolandjitsu/ng2-play,rolandjitsu/ng2-play,rolandjitsu/ng2-lab,rolandjitsu/angular-lab,rolandjitsu/ng2-lab,rolandjitsu/ng2-play,rolandjitsu/angular-lab