Ignore '.build' folder created by the swift command line tool.

wadetregaskis · jberkel · commit 9b1bef9e9ca1 · 2016-12-19T19:01:57.000Z
diff --git a/.gitignore b/.gitignore
@@ -21,3 +21,6 @@ DerivedData
 
 # Carthage
 Carthage
+
+# Swift Package Manager
+.build
