diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..cedc3fa8
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src"]
+	path = src
+	url = https://github.com/thilinah/isotope-core.git
diff --git a/src b/src
new file mode 160000
index 00000000..56a13946
--- /dev/null
+++ b/src
@@ -0,0 +1 @@
+Subproject commit 56a13946d95be0de82f80e3077af48c407eab6f4