Add description

Author: kubukoz

_events/2019-12-12-functionalscala2019.md

@@ -3,7 +3,7 @@ category: event
 title: Functional Scala
 logo: /resources/img/functional-scala.png
 location: London, UK
-description: ""
+description: "Functional Scala 2019 (London Edition) is a free 2-day conference devoted to functional programming in Scala."
 start: 12 December 2019
 end: 13 December 2019
 link-out: https://functionalscala.com