Add gif to readme

Author: drakeapps

README.md

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 # Cloud LED (or any WS2812B LED Strip) Websocket Controller
 
+![](doc/files/cloud.gif)
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 Raspberry Pi Websocket controller for WS2812b LED strip. Used for a light up cloud build, hence the name, but will work anything using that LED strip
 
 * [cloud-leds](https://github.com/drakeapps/cloud-leds) - for solid color and off modes