Key Icon
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## Icon Request

* Icon name: key
* Tags of this icon: key
* Use case: Lock key
* Screenshots of similar icons: 
![Screenshot 2019-04-24 at 4 52 07 PM](https://user-images.githubusercontent.com/34878080/56655823-7a620700-66b1-11e9-82d3-c3faabb27d30.png)
![Screenshot 2019-04-24 at 4 51 43 PM](https://user-images.githubusercontent.com/34878080/56655870-91a0f480-66b1-11e9-8ffc-31343944a43e.png)


