diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..f00cc23
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "bgs"]
+	path = bgs
+	url = git@192.168.0.184:andrzej/bgs.git
diff --git a/bgs b/bgs
new file mode 160000
index 0000000..c586558
--- /dev/null
+++ b/bgs
@@ -0,0 +1 @@
+Subproject commit c5865587b2002f6a3acbafa865f62263c3860385