update .gitignore.

cloudwebrtc · cloudwebrtc · commit b04963770602 · 2020-10-18T12:10:12.000+08:00
diff --git a/.gitignore b/.gitignore
@@ -11,3 +11,4 @@ pubspec.lock
 # Directory created by dartdoc
 # If you don't generate documentation locally you can remove this line.
 doc/api/
+.DS_Store
