moved user set configurations out of hardware-configuration.nix

configurations/nixos/horizon/configuration.nix

@@ -1,7 +1,8 @@
 {
+  lib,
+  pkgs,
   config,
   inputs,
-  pkgs,
   ...
 }: {
   imports = [
@@ -10,6 +11,19 @@
 
   nixpkgs.config.allowUnfree = true;
 
+  boot = {
+    initrd = {
+      availableKernelModules = ["usb_storage" "sd_mod"];
+    };
+    kernelModules = ["sg"];
+
+    # Bootloader.
+    loader = {
+      systemd-boot.enable = true;
+      efi.canTouchEfiVariables = true;
+    };
+  };
+
   host = {
     users = {
       leyla = {
@@ -49,8 +63,10 @@
   };
 
   environment.systemPackages = with pkgs; [
+    cachefilesd
     webtoon-dl
   ];
+  services.cachefilesd.enable = true;
 
   programs = {
     adb.enable = true;
@@ -61,6 +77,16 @@
     };
   };
 
+  networking = {
+    networkmanager.enable = true;
+    hostName = "horizon"; # Define your hostname.
+  };
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+
+  hardware = {
+    graphics.enable = true;
+  };
+
   sops.secrets = {
     "vpn-keys/tailscale-authkey/horizon" = {
       sopsFile = "${inputs.secrets}/vpn-keys.yaml";