diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000..3712ec219
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "kernel/docs/doxygen-awesome-css"]
+	path = kernel/docs/doxygen-awesome-css
+	url = https://github.com/jothepro/doxygen-awesome-css.git
diff --git a/kernel/docs/doxygen-awesome-css b/kernel/docs/doxygen-awesome-css
new file mode 160000
index 000000000..82d315e34
--- /dev/null
+++ b/kernel/docs/doxygen-awesome-css
@@ -0,0 +1 @@
+Subproject commit 82d315e34ac419a81caccf470cc2fbc2ec8ee524