Ignore playground.xcworkspace playground file

adrfer · adrfer · commit 33da976da9a6 · 2016-01-03T12:02:46.000-05:00
diff --git a/Swift.gitignore b/Swift.gitignore
@@ -29,6 +29,7 @@ xcuserdata
 
 ## Playgrounds
 timeline.xctimeline
+playground.xcworkspace
 
 # Swift Package Manager
 #
