Add PhantomJS to readme file

Author: marten-cz

README.md

@@ -13,6 +13,7 @@ Images included:
 - __selenium/node-base__: Base image for Selenium Grid Nodes which includes a virtual desktop environment and VNC support
 - __selenium/node-chrome__: Selenium node with Chrome installed, needs to be connected to a Selenium Grid Hub
 - __selenium/node-firefox__: Selenium node with Firefox installed, needs to be connected to a Selenium Grid Hub
+- __selenium/node-phantomjs__: Selenium node with PhantomJS installed, needs to be connected to a Selenium Grid Hub
 - __selenium/standalone-chrome__: Selenium standalone with Chrome installed
 - __selenium/standalone-firefox__: Selenium standalone with Firefox installed
 - __selenium/standalone-chrome-debug__: Selenium standalone with Chrome installed and runs a VNC server
@@ -69,6 +70,14 @@ You can pass `SE_OPTS` variable with additional commandline parameters for start
 $ docker run -d -p 4444:4444 -e SE_OPTS=-debug --name selenium-hub selenium/hub:3.0.1-germanium
 ```
 
+### PHANTOMJS_OPTS PhantomJS Configuration Options
+
+``` bash
+$ docker run -d -e PHANTOMJS_OPTS="--ignore-ssl-errors=true" --link selenium-hub:hub selenium/node-phantomjs:3.0.1-fermium
+```
+
+You can pass `SE_OPTS` variable with additional commandline parameters for starting a PhantomJS node.
+
 ## Building the images
 
 Clone the repo and from the project directory root you can build everything by running: