diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..083047e
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "CommonCore"]
+	path = CommonCore
+	url = gitea@steamwar.de:SteamWar/CommonCore.git
diff --git a/CommonCore b/CommonCore
new file mode 160000
index 0000000..d992d9c
--- /dev/null
+++ b/CommonCore
@@ -0,0 +1 @@
+Subproject commit d992d9cae7b5e00eb369e7e2135e37ea6a1210e6