preinstall firefox extensions. for this NUR is needed

flake.lock

@@ -197,6 +197,21 @@
         "type": "github"
       }
     },
+    "nur": {
+      "locked": {
+        "lastModified": 1711657659,
+        "narHash": "sha256-kdMlKb5nWzi+EUNdpyEBKjKL/ZY75T2cngH+zfKN+Vo=",
+        "owner": "nix-community",
+        "repo": "NUR",
+        "rev": "7d11a87bb73d00d9fd5829b9eac36107bcdc2e28",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "NUR",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "apple-silicon": "apple-silicon",
@@ -206,7 +221,8 @@
         "home-manager-unstable": "home-manager-unstable",
         "mir-home": "mir-home",
         "nixpkgs": "nixpkgs_2",
-        "nixpkgs-unstable": "nixpkgs-unstable"
+        "nixpkgs-unstable": "nixpkgs-unstable",
+        "nur": "nur"
       }
     },
     "rust-overlay": {

flake.nix

@@ -8,6 +8,7 @@
       url = "github:tpwrules/nixos-apple-silicon";
       inputs.nixpkgs.follows = "nixpkgs-unstable";
     };
+    nur.url = github:nix-community/NUR;
     home-manager = {
       url = "github:nix-community/home-manager/release-23.11";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -33,6 +34,7 @@
 	      nixpkgs,
 	      nixpkgs-unstable,
 	      home-manager,
+	      nur,
 	      ... }: {
     nixosConfigurations = {
       kremzeek = # {{{
@@ -136,6 +138,7 @@
           system = "x86_64-linux";
 	  specialArgs = { inherit inputs; };
           modules = [
+	    # inputs.nur.nixosModules.nur
             ./configuration.nix {
 	      services.xserver.videoDrivers = [ "modesetting" "displaylink" ];
 	      boot.loader.efi.canTouchEfiVariables = true;

home.nix

@@ -1,4 +1,4 @@
-{ lib, config, pkgs, inputs, ... }:
+{ lib, config, pkgs, nur, inputs, ... }:
 
 with lib.hm.gvariant;
 {
@@ -12,7 +12,6 @@ with lib.hm.gvariant;
   home.homeDirectory = "/home/mir";
   home.packages = [
     pkgs.btop
-    pkgs.firefox
     pkgs.killall
     pkgs.gdb
     pkgs.neofetch
@@ -68,6 +67,7 @@ with lib.hm.gvariant;
     TERMINAL = "kitty";
     TERM_PROGRAM = "kitty";
     BROWSER = "firefox";
+    MOZ_USE_XINPUT2 = "1";
   };
   programs.kitty = {
     enable = true;
@@ -89,6 +89,27 @@ with lib.hm.gvariant;
   };
   programs.firefox = {
     enable = true;
+    profiles = {
+      default = {
+	id = 0;
+	name = "default";
+	isDefault = true;
+	settings = {
+	  "browser.startup.homepage" = "https://search.marq42.xyz";
+	  "browser.search.defaultenginename" = "searx";
+	  "borwser.search.order.1" = "searx";
+	};
+	search = {
+	  force = true;
+	  default = "searx";
+	  order = [ "searx" "Google" ];
+	};
+	extensions = with pkgs.nur.repos.rycee.firefox-addons; [
+	  ublock-origin
+	  vimium
+	];
+      };
+    };
   };
   # programs.gdb = {
   #   enable = true;

modules/nix-settings.nix

@@ -4,5 +4,5 @@
   nix.settings.extra-experimental-features = [ "nix-command" "flakes" ];
   # Allow unfree packages
   nixpkgs.config.allowUnfree = true;
-  
+  nixpkgs.overlays = [ inputs.nur.overlay ];
 }