Sync exercise order with JS track
Sync exercise order with JS track

MattH-be/ecmascript,tejasbubane/xecmascript,arthurchipdean/xecmascript,MattH-be/ecmascript,arthurchipdean/xecmascript,exercism/xecmascript,exercism/xecmascript,tejasbubane/xecmascript