Modularize nbfc configuration.

modules/nixos/nbfc.nix

@@ -0,0 +1,29 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {
+  options = {
+    crony.nbfc.enable = lib.mkEnableOption "enable nbfc and set it up for my laptop";
+  };
+
+  config = lib.mkIf config.crony.nbfc.enable {
+    # Install nbfc-linux
+    environment.systemPackages = with pkgs; [
+      nbfc-linux
+    ];
+
+    # Setup nbfc package
+    systemd.services.nbfc_service = {
+      enable = false;
+      description = "NoteBook FanControl Service";
+      serviceConfig.Type = "simple";
+      path = [pkgs.kmod];
+
+      script = "${pkgs.nbfc-linux}/bin/nbfc_service --config-file '/home/crony/.config/nbfc.json'";
+
+      wantedBy = ["multi-user.target"];
+    };
+  };
+}