Update .gitignore to account for OS X specific temp files

Sergei Vorobev · Sergei Vorobev · commit 37d904a6dbdd · 2016-08-06T15:54:06.000-07:00
diff --git a/.gitignore b/.gitignore
@@ -51,3 +51,6 @@ gen
 
 #VS Code files
 .vscode
+
+# OS X
+.DS_Store
