diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..9004ae1
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "protos-main/protos"]
+	path = protos-main/protos
+	url = https://github.com/pioneers/protos.git
diff --git a/protos-main/protos b/protos-main/protos
new file mode 160000
index 0000000..3525db1
--- /dev/null
+++ b/protos-main/protos
@@ -0,0 +1 @@
+Subproject commit 3525db120e8338cdc13dd021787897d42dea6525