diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..b20fa61
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "lib"]
+	path = lib
+	url = https://github.com/martinthomson/i-d-template
diff --git a/lib b/lib
new file mode 160000
index 0000000..1ab2dcb
--- /dev/null
+++ b/lib
@@ -0,0 +1 @@
+Subproject commit 1ab2dcb370171438dea8e120773ce67533d74547