🧹 restructure layout

modules/programs/firefox.nix

@@ -0,0 +1,47 @@
+{ config
+, lib
+, pkgs
+, inputs
+, ...
+}:
+
+with lib;
+let
+  cfg = config.my.programs.firefox;
+  arkenfox = builtins.readFile "${inputs.arkenfox-userjs}/user.js";
+in
+{
+  options.my.programs.firefox = {
+    enable = mkOption {
+      default = false;
+      type = types.bool;
+      example = true;
+    };
+    overrides = mkOption {
+      default = { };
+      type = with types; attrsOf (oneOf [ str bool int ]);
+      apply = overrides: lib.concatStrings (
+        lib.mapAttrsToList
+          (
+            name: value: ''
+              user_pref("${name}", ${builtins.toJSON value});
+            ''
+          )
+          overrides
+      );
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home-manager.users.moritz.programs.firefox = {
+      enable = true;
+      profiles."default".extraConfig = ''
+        // Arkenfox user.js
+        ${arkenfox}
+
+        // Overrides
+        ${cfg.overrides}
+      '';
+    };
+  };
+}