diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..8d9ae47
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "libs/libs/json"]
+	path = libs/libs/json
+	url = git@github.com:nlohmann/json.git
diff --git a/libs/json b/libs/json
new file mode 160000
index 0000000..3780b41
--- /dev/null
+++ b/libs/json
@@ -0,0 +1 @@
+Subproject commit 3780b41dd070436f3f55327b0a88f27a52e2dfa8
diff --git a/libs/libs/json b/libs/libs/json
new file mode 160000
index 0000000..3780b41
--- /dev/null
+++ b/libs/libs/json
@@ -0,0 +1 @@
+Subproject commit 3780b41dd070436f3f55327b0a88f27a52e2dfa8