diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000000000000000000000000000000000..a2388a6d8d433787d759cbf3735fb18b48a119e1
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "app/r2db"]
+	path = app/r2db
+	url = git@git.autistici.org:lucha/r2db
diff --git a/app/r2db b/app/r2db
new file mode 160000
index 0000000000000000000000000000000000000000..636019a5fd859f54c1e2fe0db8be181fd185c855
--- /dev/null
+++ b/app/r2db
@@ -0,0 +1 @@
+Subproject commit 636019a5fd859f54c1e2fe0db8be181fd185c855