diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..12123b5
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "reveal.js"]
+	path = reveal.js
+	url = https://github.com/hakimel/reveal.js.git
diff --git a/reveal.js b/reveal.js
new file mode 160000
index 0000000..bef2722
--- /dev/null
+++ b/reveal.js
@@ -0,0 +1 @@
+Subproject commit bef2722eedd9671a9e0f0f9e553c0863437d1402