diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..510c480
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "intro"]
+    path = samples/intro
+    url = git@gist.github.com:5026392a419124312cb7.git
+