Use home-manager. Move hardware config to directory.

home.nix

@@ -0,0 +1,52 @@
+{ config, pkgs, ... }:
+
+{
+  # Home manager options.
+  home.username = "fern";
+  home.homeDirectory = "/home/fern";
+  home.stateVersion = "25.05";
+
+  # Let Home Manager install and manage itself.
+  programs.home-manager.enable = true;
+
+  # Gnome extensions.
+  programs.gnome-shell.extensions = with pkgs.gnomeExtensions; [
+    { package = rounded-window-corners-reborn; }
+    { package = smile-complementary-extension; }
+  ];
+
+  # Install some packages.
+  programs.git.enable = true;
+  programs.firefox.enable = true;
+  
+  programs.ghostty = { 
+    enable = true; 
+    theme = "GruvboxDarkHard";
+  };
+  
+  programs.vscode = {
+    enable = true;
+    package = pkgs.vscodium;
+  };
+
+  home.packages = with pkgs; [
+    adwsteamgtk
+    bitwarden-desktop
+    discord
+    feishin0_16_0.feishin
+    filezilla
+    fluffychat2.fluffychat
+    gimp3
+    glabels-qt
+    jellyfin-media-player
+    libreoffice
+    nixd # nix language server
+    nixfmt-rfc-style # nix language formatter
+    obsidian
+    prismlauncher
+    protonmail-desktop
+    signal-desktop
+    smile
+    yubioath-flutter
+  ];
+}