koboldcpp: sort meta and add changelog

  passthru.updateScript = gitUpdater { rev-prefix = "v"; };

  meta = {

    changelog = "https://github.com/LostRuins/koboldcpp/releases/tag/v${finalAttrs.version}";

    description = "Way to run various GGML and GGUF models";

    license = lib.licenses.agpl3Only;

    mainProgram = "koboldcpp";

    maintainers = with lib.maintainers; [

      maxstrid

      donteatoreo

    ];

    mainProgram = "koboldcpp";

    platforms = lib.platforms.unix;

  };

})