diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..a977745
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "dynstr"]
+	path = dynstr
+	url = https://gitea.privatedns.org/xavi92/dynstr
diff --git a/dynstr b/dynstr
new file mode 160000
index 0000000..601a813
--- /dev/null
+++ b/dynstr
@@ -0,0 +1 @@
+Subproject commit 601a8133257c095032a3c43bd4319e2c0f105756