feat: implement modular foundation and core system services

- Update flake.nix with 25.11 release and core inputs
- Add dedicated modules for audio (Pipewire), bluetooth, and networking
- Update GEMINI.md with the new Modular Merging Architecture blueprint
- Configure graphical installer ISO and test VM outputs

bin/nomarchy-pkg-aur-add

@@ -1,17 +1,5 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-# Add the named packages to the system from the AUR if they're missing. Returns false if it couldn't be done.
-
-if nomarchy-pkg-missing "$@"; then
-  yay -S --noconfirm --needed "$@" || exit 1
-fi
-
-for pkg in "$@"; do
-  # Secondary check to handle states where pacman doesn't actually register an error
-  if ! pacman -Q "$pkg" &>/dev/null; then
-    echo -e "\033[31mError: Package '$pkg' did not install\033[0m" >&2
-    exit 1
-  fi
-done
-
-exit 0
+echo "AUR is an Arch Linux concept and is not supported on NixOS."
+echo "Please use 'nomarchy-pkg-add' to install packages from nixpkgs."
+exit 1