Add Gitter badge (#24)

Author: gitter-badger

README.md

@@ -97,5 +97,5 @@ Your feedback is welcome on GitHub.
 Donations appreciated :)
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-[![paypal](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=5DE3L7KRM6RB8&lc=US&item_name=AWS%20Scripting%20Guy&currency_code=USD&bn=PP%2dDonationsBF%3abtn_donate_LG%2egif%3aNonHosted)
+[![paypal](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=5DE3L7KRM6RB8&lc=US&item_name=AWS%20Scripting%20Guy&currency_code=USD&bn=PP%2dDonationsBF%3abtn_donate_LG%2egif%3aNonHosted) [![Join the chat at https://gitter.im/cform-VSCode/Lobby](https://badges.gitter.im/cform-VSCode/Lobby.svg)](https://gitter.im/cform-VSCode/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)