Add host modules and home options; update README

modules/core/packages/clients.nix

@@ -1,17 +0,0 @@
-{pkgs, ...}: {
-  environment.systemPackages = with pkgs; [
-    # Communication
-    slack
-    mattermost-desktop
-    # Productivity & Office
-    # bitwarden-desktop
-    tutanota-desktop
-    iotas
-    # logseq
-    # Utilities
-    galculator
-    gedit
-    eddie
-    gnome-text-editor
-  ];
-}

modules/core/packages/default.nix

@@ -1,13 +1,8 @@
 _: {
   nixpkgs.config.allowUnfree = true;
   imports = [
+    ./essentials.nix
+    ./packages.nix
     ./programs.nix
-    ./clients.nix
-    ./development.nix
-    ./gaming.nix
-    ./multimedia.nix
-    ./terminal.nix
-    ./tools.nix
-    ./virtualization.nix
   ];
 }

modules/core/packages/development.nix

@@ -1,8 +0,0 @@
-{pkgs, ...}: {
-  environment.systemPackages = with pkgs; [
-    # Learning & practice
-    exercism
-    # AI coding
-    opencode
-  ];
-}

modules/core/packages/essentials.nix

@@ -1,5 +1,12 @@
 {pkgs, ...}: {
   environment.systemPackages = with pkgs; [
+    mpv
+    pavucontrol
+    playerctl
+    cmatrix
+    cowsay
+    sl
+    fortune
     # File management
     trash-cli
     file-roller

modules/core/packages/gaming.nix

@@ -1,12 +0,0 @@
-{
-  pkgs,
-  # inputs,
-  # system,
-  ...
-}: {
-  environment.systemPackages = with pkgs; [
-    # inputs.prismlauncher-cracked.packages.${system}.default
-    space-cadet-pinball
-    tty-solitaire
-  ];
-}

modules/core/packages/multimedia.nix

@@ -1,26 +0,0 @@
-{
-  pkgs,
-  # inputs,
-  # system,
-  ...
-}: {
-  environment.systemPackages = with pkgs; [
-    # Video & image processing
-    ffmpeg
-    ffmpegthumbnailer
-    mpv
-    # gimp3
-    # inputs.affinity-nix.packages.${system}.v3
-    eog
-    # kdePackages.kdenlive
-    # Audio
-    rhythmbox
-    plexamp
-    picard
-    pavucontrol
-    playerctl
-    # Media downloaders & clients
-    # freetube
-    # ytmdl
-  ];
-}

modules/core/packages/packages.nix

@@ -0,0 +1,47 @@
+{
+  pkgs,
+  lib,
+  config,
+  inputs,
+  system,
+  ...
+}: let
+  mkPackage = name: pkgsOrList: {
+    options.${name}.enable = lib.mkEnableOption name;
+    config.environment.systemPackages =
+      lib.mkIf config.${name}.enable
+      (lib.toList pkgsOrList);
+  };
+
+  packages = with pkgs; {
+    bitwarden = bitwarden-desktop;
+    eddieAirVPN = eddie;
+    galculator = galculator;
+    gedit = gedit;
+    iotas = iotas;
+    logseq = logseq;
+    mattermost = mattermost-desktop;
+    slack = slack;
+    tutanota = tutanota-desktop;
+    exercism = exercism;
+    opencode = opencode;
+    lazygit = lazygit;
+    prismlauncher = inputs.prismlauncher-cracked.packages.${system}.default;
+    spaceCadetPinball = space-cadet-pinball;
+    ttySolitaire = tty-solitaire;
+    gimp = gimp;
+    affinity = inputs.affinity-nix.packages.${system}.v3;
+    eyeOfGnome = eog;
+    kdenlive = kdePackages.kdenlive;
+    plex = [
+      (plex-desktop.override {extraEnv = {QT_QPA_PLATFORM = "xcb";};})
+      plexamp
+    ];
+    freetube = freetube;
+    lazydocker = lazydocker;
+    distrobox = [distrobox pkgs.boxbuddy];
+    winboat = [winboat freerdp];
+  };
+in {
+  imports = builtins.attrValues (builtins.mapAttrs mkPackage packages);
+}

modules/core/packages/terminal.nix

@@ -1,10 +0,0 @@
-{pkgs, ...}: {
-  environment.systemPackages = with pkgs; [
-    cmatrix
-    cowsay
-    sl
-    fortune
-    lolcat
-    eza
-  ];
-}

modules/core/packages/virtualization.nix

@@ -1,11 +0,0 @@
-{pkgs, ...}: {
-  environment.systemPackages = with pkgs; [
-    virt-viewer
-    # lazydocker
-    docker-client
-    # distrobox
-    # boxbuddy
-    # freerdp
-    # winboat
-  ];
-}