Update README.md

Author: NeejaYanglea

README.md

@@ -14,6 +14,9 @@ Kathará has the performances to run in production and can emulate most network
   * Windows: `%NETKIT_HOME%\install`
 * You can optionally add NETKIT_HOME to your PATH
 
+# Provided Docker Images
+A list of the Docker images we provided can be found at [this page](https://hub.docker.com/u/bonofiglio/) in the Docker Hub.
+
 # Manual
 The interface of Kathará is basically the same we used for Netkit, and it's available here: [Man page of NETKIT](http://wiki.netkit.org/man/man7/netkit.7.html).