muhehe >:3

flake.nix

@@ -0,0 +1,11 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-parts.url = "github:/hercules-cli/flake-parts";
+    import-tree.url = "github:vic/import-tree";
+  };
+
+  outputs = inputs:
+    inputs.flake-parts.lib.mkFlake {inherit inputs;}
+    (inputs.import-tree ./modules);
+}

modules/firefox&helix.nix

@@ -0,0 +1,9 @@
+{inputs, ...}: {
+  flake.nixosModules.firefoxHelix = {pkgs, ...}: {
+    programs.firefox.enable = true;
+
+    environment.systemPackages = with pkgs; [
+      helix
+    ];
+  };
+}