diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..558332e
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+markdownserver/resources/html/sample.md.html linguist-documentation
+markdownserver/resources/css/github.css linguist-vendored