update nixos configs

- bin/screens: line to fix touchscreen rotation
- add zathura config file (zathurarc)
- nixos:
  - rearrange config files reusing most of configs in common-configuration.nix
  - add chuwi-configuration.nix

nixos/chuwi-configuration.nix

@@ -0,0 +1,66 @@
+# This file is meant to be renamed to `configuration.nix`
+# Chuwi minibook NixOS configuration
+
+{ config, pkgs, ... }:
+
+{
+  imports =
+    [
+      ./common-configuration.nix
+      ./hardware-configuration.nix
+      ./private-configuration.nix
+    ];
+
+  # Bootloader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.hostName = "chuwi"; # Define your hostname.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+
+  # Enable networking
+  networking.networkmanager.enable = true;
+  hardware.cpu.intel.updateMicrocode = true;
+
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.user = {
+    isNormalUser = true;
+    description = "user";
+    extraGroups = [ "networkmanager" "wheel" ];
+    packages = with pkgs; [];
+  };
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # 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
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "24.11"; # Did you read the comment?
+
+  # Chuwi specific:
+  # fix wifi issues
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  # fix screen rotation issue
+  boot.kernelParams = [
+    "fbcon=rotate:1"
+  ];
+  services.xserver.xrandrHeads = [
+    {
+      monitorConfig = "Option \"Rotate\" \"right\"";
+      output = "DSI-1";
+    }
+  ];
+
+  # some extra packages
+  environment.systemPackages = with pkgs; [
+	# note taking
+	rnote
+	xournalpp
+  ];
+}