Added disclaimer (project may not work properly)

Author: mtrebi

README.md

@@ -18,6 +18,8 @@ A [thread pool](https://en.wikipedia.org/wiki/Thread_pool) is a technique that a
 
 There are many many Thread pool implementations in C++, many of them are probably better (safer, faster...) than mine. However,  I belive my implementation is **very straightforward and easy to understand**. 
 
+__Disclaimer: Do not use this project in a professional environment. It may containt bugs and/or not work as expected.__ I did this project to learn how C++11 Threads work and provide an easy way for other people to understand it too. 
+
 # Build instructions
 
 This project has been developed using Netbeans and Linux but it should work on Windows, MAC OS and Linux. It can be easily build using CMake and different generators. The following code can be used to generate the VS 2017 project files: