add .DS_Store to .gitignore (trezor#900)

cmaliwal · web-flow · commit f359e3627383 · 2020-03-11T20:22:56.000+01:00
diff --git a/.gitignore b/.gitignore
@@ -9,3 +9,4 @@ __pycache__/
 *.pyc
 /build
 proto.gv*
+.DS_Store
