Update readme

Author: endurodave

README.md

@@ -13,6 +13,7 @@ Create a worker thread with an event loop, message queue and a timer using the C
   - [Event Loop (Win32)](#event-loop-win32)
 - [Timer](#timer)
 - [Usage](#usage)
+- [Star History](#star-history)
 - [Conclusion](#conclusion)
 
 
@@ -308,6 +309,12 @@ int main(void)
     return 0;
 }</pre>
 
+# Star History
+
+Find this repository useful? Consider giving it a star!
+
+[![Star History Chart](https://api.star-history.com/svg?repos=endurodave/StdWorkerThread&type=Date)](https://star-history.com/#endurodave/StdWorkerThread&Date)
+
 # Conclusion
 
 <p>The C++ thread support library offers a platform independent way to write multi-threaded application code without reliance upon OS-specific API&rsquo;s. The <code>WorkerThread </code>class presented here is a bare-bones implementation of an event loop, yet all the basics are there ready to be expanded upon.</p>