add sample fonts to .gitattributes as they are used only in tests

michaeldyrynda · michaeldyrynda · commit 17b626ada0e0 · 2021-10-19T09:07:03.000+10:30
diff --git a/.gitattributes b/.gitattributes
@@ -15,3 +15,4 @@
 /.gitignore         export-ignore
 /.travis.yml        export-ignore
 /phpunit.xml.dist   export-ignore
+/sample-fonts       export-ignore
