diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..1c40bdf
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "action-manager"]
+	path = action-manager
+	url = https://github.com/vierbergenlars/action-manager.py.git
diff --git a/bridge-network.sh b/bridge-network.sh
old mode 100644
new mode 100755