refactor: split laptop-specific packages to remus
- Move embedded dev tools to remus (arm-gcc, stlink, etc.)
- Move yubikey-manager, basictex, gitkraken-cli to remus
- Keep shared: bitwarden, espanso, raycast, discord, ngrok
- Add dippet server packages: nginx, cloudflared, certbot, unbound
- Add dippet tools: augeas, poppler, python@3.14