diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..0407f0c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "question-classes"]
+	path = question-classes
+	url = git@gitlab.com:MrFry/question-classes.git
diff --git a/question-classes b/question-classes
new file mode 160000
index 0000000..0cfd9cf
--- /dev/null
+++ b/question-classes
@@ -0,0 +1 @@
+Subproject commit 0cfd9cfda377ff8917df50e68f105ec43f5e9311