Update Firefox configuration

nix/home/opdavies/desktop/default.nix

@@ -2,6 +2,7 @@
 
 {
   imports = [
+    ./firefox.nix
     ./qutebrowser.nix
   ];
 

nix/home/opdavies/desktop/firefox.nix

@@ -0,0 +1,40 @@
+{ pkgs, ... }:
+
+{
+  programs.firefox = {
+    enable = true;
+
+    languagePacks = [ "en-GB" ];
+
+    profiles = {
+      default = {
+        extensions = with pkgs.nur.repos.rycee.firefox-addons; [
+          bitwarden
+          darkreader
+          onetab
+          tree-style-tab
+          ublock-origin
+          vimium
+          web-developer
+        ];
+
+        preConfig = builtins.readFile "${pkgs.arkenfox-userjs}/user.js";
+
+        search = {
+          default = "DuckDuckGo";
+          force = true;
+          privateDefault = "DuckDuckGo";
+        };
+
+        settings = {
+          "browser.search.isUS" = false;
+          "browser.search.region" = "GB";
+          "distribution.searchplugins.defaultLocale" = "en-GB";
+          "general.useragent.locale" = "en-GB";
+          "intl.accept_languages" = "en-GB, en";
+          "intl.regional_prefs.use_os_locales" = true;
+        };
+      };
+    };
+  };
+}

nix/hosts/common/default.nix

@@ -71,6 +71,8 @@
     };
 
     overlays = [
+      inputs.nur.overlays.default
+
       outputs.overlays.additions
       outputs.overlays.modifications
       outputs.overlays.stable-packages

nix/hosts/t490/programs.nix

@@ -9,16 +9,5 @@
       enableSSHSupport = true;
       pinentryPackage = pkgs.pinentry-qt;
     };
-
-    firefox = {
-      enable = true;
-
-      languagePacks = [ "en-GB" ];
-
-      preferences = {
-        "intl.accept_languages" = "en-GB, en";
-        "intl.regional_prefs.use_os_locales" = true;
-      };
-    };
   };
 }