Update docs

Author: johnteee

README.md

@@ -60,6 +60,8 @@ Thus I implemented fpGo. I hope you would like it :)
 
 * **network/SimpleHTTP** inspired by [Retrofit](https://github.com/square/retrofit)
 
+* **worker/WorkerPool** inspired by JavaExecutorService & goroutine pool libs
+
 # Special thanks
 * fp functions(Dedupe/Difference/Distinct/IsDistinct/DropEq/Drop/DropLast/DropWhile/IsEqual/IsEqualMap/Every/Exists/Intersection/Keys/Values/Max/Min/MinMax/Merge/IsNeg/IsPos/PMap/Range/Reverse/Set/Some/IsSubset/IsSuperset/Take/TakeLast/Union/IsZero/Zip/GroupBy/UniqBy/Flatten/Prepend/Partition/Tail/Head/SplitEvery)
   *	Credit: https://github.com/logic-building/functional-go