feat: add justyna-p300, dcpj4110dw driver, nixos-anywhere compatibility

nix/os/devices/justyna-p300/pkg.nix

@@ -0,0 +1,65 @@
+{
+  pkgs,
+  lib,
+  packages',
+  ...
+}: let
+  homeEnv = keyboard: {
+    imports = [
+      ../../../home-manager/profiles/common.nix
+
+      ../../../home-manager/configuration/graphical-gnome3.nix
+
+      ../../../home-manager/programs/firefox.nix
+      ../../../home-manager/programs/libreoffice.nix
+      ../../../home-manager/programs/neovim.nix
+    ];
+
+    home.keyboard = keyboard;
+
+    home.packages = with pkgs; [
+      rhythmbox
+      lollypop
+      dia
+
+      rustdesk
+
+      kotatogram-desktop
+      jitsi-meet-electron
+      signal-desktop
+    ];
+  };
+in {
+  services.gnome = builtins.mapAttrs (attr: value: lib.mkForce value) {
+    gnome-remote-desktop.enable = true;
+  };
+
+  services.printing.drivers = lib.mkForce (with packages'; [
+    dcpj4110dwDriver
+    dcpj4110dwCupswrapper
+  ]);
+
+  services.printing.extraConf = ''
+    LogLevel debug
+  '';
+
+  home-manager.users.steveej = homeEnv {
+    layout = "en";
+    options = ["nodeadkey"];
+    variant = "altgr-intl";
+  };
+
+  home-manager.users.elias = homeEnv {
+    layout = "de";
+    options = [];
+    variant = "";
+  };
+
+  home-manager.users.justyna = homeEnv {
+    layout = "de";
+    options = [];
+    variant = "";
+  };
+
+  system.stateVersion = "21.11";
+}