feat: initialize repo with NixOS and Home Manager configs

- Add .gitignore for common languages, tools, and OS/editor artifacts
- Configure .gitattributes for Git LFS (fonts, images, archives, ISOs)
- Add README with repo description
- Add flake.nix defining inputs and outputs for NixOS, Home Manager, and related modules
- Introduce home-manager configs:
  - Base home.nix with packages, services, and programs
  - Hyprland WM configuration (waybar, fuzzel, keybindings, theming)
  - Vim (nixvim) setup with LSP and plugins
  - Zsh setup with aliases, Oh My Zsh, clipboard helpers
  - Systemd user services (e.g., librespot)
- Add scripts (GPU monitor, RAM build helper, install automation)
- Add host configurations:
  - Nixbook (Apple laptop) with hardware, disko, and install script
  - Nixstation (desktop) with firewall, virtualization, Btrfs scrub timer
  - Nixtest (test VM) with QEMU + Alpine-based install test harness
  - Common modules (network, NVIDIA, rclone, screen, keychron, users)
- Include statix config for linting

hosts/common/default.nix

@@ -0,0 +1,64 @@
+{ config
+, inputs
+, lib
+, pkgs
+, ...
+}:
+{
+  imports = [ ./users/thiago/default.nix ];
+
+  boot.loader.systemd-boot.enable = true;
+  environment = {
+    shells = with pkgs; [ zsh ];
+    etc = lib.mapAttrs'
+      (name: value: {
+        name = "nix/path/${name}";
+        value.source = value.flake;
+      })
+      config.nix.registry;
+    systemPackages = with pkgs; [
+      exfat
+      file
+      gcsfuse
+      git
+      gnupg
+      home-manager
+      keymapp
+      opensc
+      pciutils
+      pcsc-safenet
+      pcsctools
+      pkcs11helper
+      sops
+      wget
+      zsa-udev-rules
+    ];
+  };
+  hardware.keyboard.zsa.enable = true;
+  networking.networkmanager.enable = true;
+  nix = {
+    registry = (lib.mapAttrs (_: flake: { inherit flake; })) (
+      (lib.filterAttrs (_: lib.isType "flake")) inputs
+    );
+
+    nixPath = [ "/etc/nix/path" ];
+
+    settings = {
+      experimental-features = "nix-command flakes";
+      auto-optimise-store = true;
+    };
+  };
+
+  nixpkgs.config.allowUnfree = true;
+  programs.zsh.enable = true;
+  services = {
+    pcscd.enable = true;
+    # xserver.displayManager.sessionCommands = 
+    #   "${pkgs.xorg.xmodmap}/bin/xmodmap -e 'keycode 64 = Alt_L'";
+
+  };
+  users.groups.scard = { };
+
+  time.timeZone = "America/Sao_Paulo";
+  users.defaultUserShell = pkgs.zsh;
+}