Update git lfs tracking

Emma Brand · Emma Brand · commit 4fd439e6c724 · 2018-09-03T11:03:45.000-07:00
Former-commit-id: 87faf90b4f5070de7e5e80db10e65d058801ce69 [formerly b7155f9] Former-commit-id: ac860cc52c366528b5ae2518eeceaaacf67f99af
diff --git a/.gitattributes b/.gitattributes
@@ -1 +1,3 @@
-images/source/**
+images/source/** filter=lfs diff=lfs merge=lfs -text
+.psd filter=lfs diff=lfs merge=lfs -text
+.ai filter=lfs diff=lfs merge=lfs -text
