Update README.md

README.md

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-woodhouse-hangouts
+Woodhouse Google Hangouts Interface
 ==================
+This module allows you to contact Woodhouse using Google Hangouts. It is advised that you create a seperate hangouts address for Woodhouse to log in with.
+
+## Installation
+
+* Clone the this repo into the interfaces directory.
+* `npm install` within the cloned directory
+* If Woodhouse isn't already started, start it and skip to the last step
+* If you have the shell interface enabled (enabled by default), run `load modules`, otherwise restart Woodhouse
+* Go to [http://localhost:8080](http://localhost:8080), navigate to the interface page and select the Hangouts interface. Fill in the login details for the bot, check the enabled box and click save.