Configure Git to handle binary files

Mark `.png` and `.woff` files as binary to prevent line ending
conversions.

Change-Id: Ic9c46d4d62d29aa529d45f3487dcd62f78554bc3
Signed-off-by: Farah Rasheed <Farah.Rasheed1@dell.com>
diff --git a/.gitattributes b/.gitattributes
index 94f480d..f702d2d 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,3 @@
-* text=auto eol=lf
\ No newline at end of file
+* text=auto eol=lf
+*.png binary
+*.woff binary
\ No newline at end of file