diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..ca74996
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "netcode/interfaces"]
+	path = netcode/interfaces
+	url = git@git.legonzaur.fr:heronfief/ts-interfaces.git
diff --git a/netcode/interfaces b/netcode/interfaces
new file mode 160000
index 0000000..0cd59cd
--- /dev/null
+++ b/netcode/interfaces
@@ -0,0 +1 @@
+Subproject commit 0cd59cdb2379db2c407ca9adb37229bc5d8c06d9