diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000000000000000000000000000000000..2022e0b2978240865021cc6bce912404ee048d05
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "theme/reveal.js"]
+	path = theme/reveal.js
+	url = https://github.com/hakimel/reveal.js.git
diff --git a/theme/reveal.js b/theme/reveal.js
new file mode 160000
index 0000000000000000000000000000000000000000..33bed47daca3f08c396215415e6ece005970734a
--- /dev/null
+++ b/theme/reveal.js
@@ -0,0 +1 @@
+Subproject commit 33bed47daca3f08c396215415e6ece005970734a