move some nixos configuration to ./nixos/modules and ./nixos/configurations. try to find a good arch to conbine home-manager and nixos modules.

configuration.nix

@@ -11,15 +11,6 @@
 }:
 
 {
-  # Bootloader.
-  boot.kernelPackages = pkgs.linuxPackages_zen;
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  # services.asusd = {
-  #   enable = true;
-  # };
-
   # Configure network proxy if necessary
   # networking.proxy.default = "http://user:password@proxy:port/";
   # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
@@ -29,54 +20,6 @@
     spiceUSBRedirection.enable = true;
   };
 
-  networking = {
-    hostName = "Tytonidae";
-    networkmanager.enable = false;
-    useNetworkd = true;
-    useDHCP = false;
-
-    wireless.iwd = {
-      enable = true;
-      settings = {
-        General = {
-          EnableNetworkConfiguration = true;
-        };
-        Network = {
-          EnableIPv6 = true;
-          NameResolvingService = "systemd";
-        };
-      };
-    };
-  };
-  systemd.network = {
-    enable = true;
-    wait-online.enable = false;
-    networks = {
-      "eno2" = {
-        matchConfig.Name = "eno2";
-        networkConfig = {
-          DHCP = "yes";
-          IPv6AcceptRA = true;
-        };
-      };
-    };
-  };
-
-  time.timeZone = "Asia/Shanghai";
-
-  i18n.defaultLocale = "zh_CN.UTF-8";
-  i18n.extraLocaleSettings = {
-    LC_ADDRESS = "zh_CN.UTF-8";
-    LC_IDENTIFICATION = "zh_CN.UTF-8";
-    LC_MEASUREMENT = "zh_CN.UTF-8";
-    LC_MONETARY = "zh_CN.UTF-8";
-    LC_NAME = "zh_CN.UTF-8";
-    LC_NUMERIC = "zh_CN.UTF-8";
-    LC_PAPER = "zh_CN.UTF-8";
-    LC_TELEPHONE = "zh_CN.UTF-8";
-    LC_TIME = "zh_CN.UTF-8";
-  };
-
   i18n.inputMethod = {
     enable = true;
     type = "fcitx5";
@@ -87,12 +30,15 @@
         fcitx5-configtool
         fcitx5-chinese-addons
         (fcitx5-rime.override {
-          rimeDataPkgs = [
-            rime-data
-            nur.repos.xddxdd.rime-ice
-            nur.repos.xddxdd.rime-zhwiki
-            nur.repos.xddxdd.rime-moegirl
-          ];
+          rimeDataPkgs =
+            [
+              rime-data
+            ]
+            ++ (with (pkgs.callPackage inputs.nur-xddxdd { }); [
+              rime-ice
+              rime-zhwiki
+              rime-moegirl
+            ]);
         })
       ];
       waylandFrontend = true;
@@ -146,8 +92,7 @@
         "aes192-ctr"
         "aes128-ctr"
       ];
-      KexAlgorithms = [
-        "curve25519-sha256@libssh.org"
+      KexAlgorithms = [ "curve25519-sha256@libssh.org"
         "ecdh-sha2-nistp521"
         "ecdh-sha2-nistp384"
         "ecdh-sha2-nistp256"
@@ -192,9 +137,6 @@
   # Install firefox.
   programs.firefox.enable = true;
 
-  # Allow unfree packages
-  nixpkgs.config.allowUnfree = true;
-
   # List packages installed in system profile. To search, run:
   environment.systemPackages = with pkgs; [
     nix-output-monitor
@@ -204,10 +146,38 @@
     helix
     nixd
     nixfmt-rfc-style
+    fontconfig
     noto-fonts-cjk-sans
     noto-fonts-cjk-serif
   ];
 
+  fonts = {
+    enableDefaultPackages = false;
+    packages = with pkgs; [
+      nerd-fonts.fira-code
+      noto-fonts
+      noto-fonts-cjk-sans
+      noto-fonts-cjk-serif
+      noto-fonts-emoji
+      lxgw-wenkai
+    ];
+    fontconfig.defaultFonts = pkgs.lib.mkForce {
+      serif = [
+        "LXGW WenKai"
+        "Noto Serif CJK SC"
+        "Noto Serif"
+      ];
+      sansSerif = [
+        "Noto Serif CJK SC"
+        "Noto Serif"
+      ];
+      monospace = [
+        "FiraCode Nerd Font"
+      ];
+      emoji = [ "Noto Color Emoji" ];
+    };
+  };
+
   environment.variables.EDITOR = "hx";
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
@@ -219,12 +189,6 @@
 
   # List services that you want to enable:
 
-  # Open ports in the firewall.
-  # networking.firewall.allowedTCPPorts = [ ... ];
-  # networking.firewall.allowedUDPPorts = [ ... ];
-  # Or disable the firewall altogether.
-  networking.firewall.enable = false;
-
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave
@@ -232,11 +196,6 @@
   # Before changing this value read the documentation for this option
   # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
 
-  nix.settings.experimental-features = [
-    "nix-command"
-    "flakes"
-  ];
-
   system.stateVersion = "24.11"; # Did you read the comment?
 
 }