diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..6c53d28
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "demo"]
+	path = demo
+	url = git@git.nemunai.re:teach/virli-demo.git
diff --git a/demo b/demo
new file mode 160000
index 0000000..fff9e75
--- /dev/null
+++ b/demo
@@ -0,0 +1 @@
+Subproject commit fff9e75e0a2cfdb5f1d6ad0b2c17110750bcc62b