diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..ba56f1b
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "theme-dark-arc-gitea"]
+	path = theme-dark-arc-gitea
+	url = https://github.com/Jieiku/theme-dark-arc-gitea
diff --git a/theme-dark-arc-gitea b/theme-dark-arc-gitea
new file mode 160000
index 0000000..748aebf
--- /dev/null
+++ b/theme-dark-arc-gitea
@@ -0,0 +1 @@
+Subproject commit 748aebfeb52e5d6df58b0df5de90d3ef324398e8