chore(git): gitattributes for binary files

.gitattributes

@@ -1 +1,22 @@
-* text eol=crlf
+* text eol=crlf
+
+# Ensure binary files are not treated as text https://stackoverflow.com/a/32278635/939634
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.ico binary
+*.mov binary
+*.mp4 binary
+*.mp3 binary
+*.flv binary
+*.fla binary
+*.swf binary
+*.gz binary
+*.zip binary
+*.7z binary
+*.ttf binary
+*.eot binary
+*.woff binary
+*.pyc binary
+*.pdf binary