refactor and modularize base.nix futher; use default.nix when possible

configuration/default.nix

@@ -0,0 +1,74 @@
+# Edit this configuration file to define what should be installed on
+# your system. Help is available in the configuration.nix(5) man page, on
+# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
+
+{ pkgs, ... }:
+
+{
+  imports = [ ./base ];
+
+  # Use the systemd-boot EFI boot loader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  hardware.bluetooth.enable = true;
+  hardware.enableRedistributableFirmware = true;
+  hardware.enableAllFirmware = true;
+
+  # Disks / Swap / etc
+  # swapDevices = [{
+  #   device = "/var/lib/swapfile";
+  #   size = 16 * 1024; # 16 GB
+  # }];
+  zramSwap.enable = true; # Creates a zram block device and uses it as a swap device
+  services.fstrim.enable = true;
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+
+  # List services that you want to enable:
+
+  # Enable the OpenSSH daemon.
+  # services.openssh.enable = true;
+
+  # Open ports in the firewall.
+  # 443 Helldivers crashes internet otherwise
+  # networking.firewall.allowedTCPPorts = [ 443 ];
+  # networking.firewall.allowedUDPPorts = [ 443 ];
+  # Or disable the firewall altogether.
+  # networking.firewall.enable = false;
+
+  # Block list
+  # networking.stevenblack.enable = true;
+
+  # Copy the NixOS configuration file and link it from the resulting system
+  # (/run/current-system/configuration.nix). This is useful in case you
+  # accidentally delete configuration.nix.
+  # system.copySystemConfiguration = true;
+
+  # This option defines the first version of NixOS you have installed on this particular machine,
+  # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
+  #
+  # Most users should NEVER change this value after the initial install, for any reason,
+  # even if you've upgraded your system to a new NixOS release.
+  #
+  # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
+  # so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
+  # to actually do that.
+  #
+  # This value being lower than the current NixOS release does NOT mean your system is
+  # out of date, out of support, or vulnerable.
+  #
+  # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
+  # and migrated your data accordingly.
+  #
+  # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
+  system.stateVersion = "24.05"; # Did you read the comment?
+
+}