- Move Elixir code to server/ subdirectory for monorepo structure
- Update flake.nix to provide packages and apps outputs for nix run support
- Update nix/package.nix to accept src parameter instead of fetchgit
- Add NixOS module export for easy consumption
Now supports: nix run, nix build, and nix develop from git repo
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Co-Authored-By: Claude <noreply@anthropic.com>