diff --git a/.gitignore b/.gitignore
index edf565e..3b8655c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 _gen
+.hugo_build.lock
\ No newline at end of file
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..464789f
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "themes/nix"]
+	path = themes/nix
+	url = git@github.com:LordMathis/hugo-theme-nix
+[submodule "themes/nightfall"]
+	path = themes/nightfall
+	url = git@github.com:LordMathis/hugo-theme-nightfall
diff --git a/themes/nightfall b/themes/nightfall
new file mode 160000
index 0000000..15616f3
--- /dev/null
+++ b/themes/nightfall
@@ -0,0 +1 @@
+Subproject commit 15616f3d9b0a5e5d0aa82d75ebeb8badb73ddf18
diff --git a/themes/nix b/themes/nix
new file mode 160000
index 0000000..72c7ff1
--- /dev/null
+++ b/themes/nix
@@ -0,0 +1 @@
+Subproject commit 72c7ff1fabeb7c5dd663c1294489f2bdd5cf2188