adding

index.js

@@ -1,4 +1,5 @@
 module.exports = {
-	Filter: require('./src/filter.js')
+	Filter: require('./src/filter.js'),
-	orderBy: require('./src/orderBy.js')
+	orderBy: require('./src/orderBy.js'),
+	reduce: require('./src/reduce.js'),
 }