chore: update .gitignore

Gyumeijie · Gyumeijie · commit 6c2aa6b5912f · 2018-09-15T03:09:21.000+08:00
diff --git a/.gitignore b/.gitignore
@@ -1,2 +1,3 @@
 .idea/*
 node_modules/*
+.DS_Store
