diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000000000000000000000000000000000..18b393ebfb7d97b53e757592e79dbfa5323ba56b
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "lwn2md"]
+	path = lwn2md
+	url = https://github.com/jingfelix/lwn2md.git
diff --git a/lwn2md b/lwn2md
new file mode 160000
index 0000000000000000000000000000000000000000..5bd7063354d85a9b50e98bb14be6df4eb7bcbfc1
--- /dev/null
+++ b/lwn2md
@@ -0,0 +1 @@
+Subproject commit 5bd7063354d85a9b50e98bb14be6df4eb7bcbfc1