Update community.md

_sections/community.md

@@ -11,8 +11,9 @@ Ask for help or suggest/contribute improvements.
 * [Stratux Slack "chat"](http://slack.stratux.me/).
 * [Stratux community on Reddit](http://www.reddit.com/r/stratux).
 * [3D-printable cases/accessories](http://www.thingiverse.com/groups/stratux/things).
+* [Buy the Stratux devs a coffee](https://www.paypal.com/paypalme/stratuxeu).
 
-### Press 
+### Press
 
 * [EAA article on Stratux](https://www.eaa.org/en/eaa/aviation-communities-and-interests/homebuilt-aircraft-and-homebuilt-aircraft-kits/resources/building-articles/instruments-and-avionics/live-weather-and-traffic-for-less-than-$120).
 * [Aviation Safety Magazine Article](http://www.aviationsafetymagazine.com/issues/35_12/features/Stratux-A-110-ADS-B-In-Receiver_11099-1.html).