Add .gitignore.
diff --git a/.gitignore b/.gitignore
index 7e392a5..6248c36 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,5 @@
 test/project/SampleApp/PhoneGap.plist
 test/project/SampleApp.xcodeproj/project.pbxproj
 test/project/SampleApp/Plugins/*
+# OS X
+.DS_Store