diff --git a/demo/demo-sample.smsg b/demo/demo-sample.smsg
new file mode 100644
index 0000000..7f77643
Binary files /dev/null and b/demo/demo-sample.smsg differ
diff --git a/demo/index.html b/demo/index.html
index 517aa9e..51574bb 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -1424,9 +1424,16 @@