Initial commit: NixOS flake with Cursor 1.3.9

- Complete NixOS configuration with Cursor AppImage
- Development environment with Node.js, Python, Rust
- Modern shell setup with Zsh and Starship
- AppImage support and desktop integration
- Comprehensive documentation and quick start guide

test-configuration.nix

@@ -0,0 +1,88 @@
+{ config, pkgs, lib, ... }:
+
+{
+  imports = [
+    ./hardware-configuration.nix
+  ];
+
+  # Bootloader
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # Networking
+  networking.networkmanager.enable = true;
+  networking.hostName = "cursor-test-system";
+
+  # Time zone
+  time.timeZone = "UTC";
+
+  # Internationalisation
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  # X11 and Desktop Environment
+  services.xserver.enable = true;
+  services.displayManager.gdm.enable = true;
+  services.desktopManager.gnome.enable = true;
+
+  # Enable sound with pipewire
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
+
+  # User configuration
+  users.users.liam = {
+    isNormalUser = true;
+    description = "Liam";
+    extraGroups = [ "networkmanager" "wheel" "video" "audio" ];
+    packages = with pkgs; [
+      # Essential tools
+      git
+      wget
+      curl
+      unzip
+      # AppImage support
+      appimage-run
+      # Development tools
+      gcc
+      gnumake
+      # Terminal
+      alacritty
+      # File manager
+      nautilus
+    ];
+  };
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # System packages
+  environment.systemPackages = with pkgs; [
+    # AppImage utilities
+    appimage-run
+    # Desktop utilities
+    gnome-tweaks
+    gnome-software
+    # System utilities
+    htop
+    neofetch
+    # Media support
+    ffmpeg
+    vlc
+  ];
+
+  # Enable flakes
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
+  # Garbage collection
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    options = "--delete-older-than 30d";
+  };
+
+  system.stateVersion = "23.11";
+}