added MWS white paper

Download “9 Things NOT to do when embedding a web server” white paper.

README.md

@@ -10,6 +10,11 @@ Mongoose makes embedded network programming fast, robust, and easy.
 
 - [Download Mongoose Source Code here](https://www.cesanta.com/download.html)
 
+Connectivity is vital for software and embedded devices, but there are many pitfalls to consider when embedding a web server. 
+This white paper breaks down on the top 9 things to avoid when embedding a web server.
+
+- [Download “9 Things NOT to do when embedding a web server” white paper here](https://www.cesanta.com/whitepaper.html)
+
 Looking for a complete IoT firmware solution?
 
 Check out [Mongoose OS](https://mongoose-os.com) - open source embedded operating system for low-power connected microcontrollers. Secure, designed for Internet of Things, complete environment for prototyping, development and managing.