diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..771bc32
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "ChocolateBirdData"]
+	path = ChocolateBirdData
+	url = gogs@git.ufeff.net:birdulon/ChocolateBirdData.git
diff --git a/ChocolateBirdData b/ChocolateBirdData
new file mode 160000
index 0000000..b71b45a
--- /dev/null
+++ b/ChocolateBirdData
@@ -0,0 +1 @@
+Subproject commit b71b45a8f999e69a2e429e4c1782c69fdeec12b0