Install nix-tree
diff --git a/modules/nix-tree.nix b/modules/nix-tree.nix
new file mode 100644
index 0000000..f88617c
--- /dev/null
+++ b/modules/nix-tree.nix
@@ -0,0 +1,3 @@
+{pkgs, ...}: {
+  home.home.packages = [pkgs.nix-tree];
+}