refactor: start i3/hyprland in home-manager instead of NixOS

modules/nixos/wayland.nix

@@ -0,0 +1,50 @@
+{pkgs, ...}: {
+  ##########################################################################################################
+  #
+  #  NixOS's Configuration for Wayland based Window Manager
+  #
+  #    hyprland: project starts from 2022, support Wayland, envolving fast, good looking, support Nvidia GPU.
+  #
+  ##########################################################################################################
+
+  imports = [
+    ./base/i18n.nix
+    ./base/misc.nix
+    ./base/networking.nix
+    ./base/remote-building.nix
+    ./base/user-group.nix
+    ./base/visualisation.nix
+
+    ./desktop
+    ../base.nix
+  ];
+
+  xdg.portal = {
+    enable = true;
+    wlr.enable = true;
+    extraPortals = with pkgs; [
+      xdg-desktop-portal-wlr
+    ];
+  };
+
+  services = {
+    xserver.enable = false; # disable xorg server
+    # https://wiki.archlinux.org/title/Greetd
+    greetd = {
+      enable = true;
+      settings = {
+        default_session = {
+          # Wayland Desktop Manager is installed only for user ryan via home-manager!
+          user = "ryan";
+          # .wayland-session is a script generated by home-manager, which links to the current wayland compositor(sway/hyprland or others).
+          # with such a vendor-no-locking script, we can switch to another wayland compositor without modifying greetd's config here.
+          command = "$HOME/.wayland-session"; # start a wayland session directly without a login manager
+          # command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time --cmd $HOME/.wayland-session";  # start wayland session with a TUI login manager
+        };
+      };
+    };
+  };
+
+  # fix https://github.com/ryan4yin/nix-config/issues/10
+  security.pam.services.swaylock = {};
+}