librewolf: Install yomitan by default

This works, which is great.

home/librewolf.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs, firefox-addons, ... }:
 
 let
   friendlyfox = pkgs.stdenvNoCC.mkDerivation (finalAttrs: {
@@ -38,6 +38,10 @@ in
     package = pkgs.librewolf.override { cfg.speechSynthesisSupport = false; };
 
     profiles.default = {
+      extensions = with firefox-addons.packages.${pkgs.system}; [
+        yomitan
+      ];
+
       search = {
         force = true;
         default = "Mullvad";

modules/system.nix

@@ -3,6 +3,7 @@
   pkgs,
   lib,
   config,
+  firefox-addons,
   ...
 }:
 
@@ -188,6 +189,10 @@ in
 
         homeDirectory = "/home/${username}";
       };
+
+      extraSpecialArgs = {
+        inherit firefox-addons;
+      };
     };
 
     virtualisation.vmVariant = {