chore: untrack node_modules/.package-lock.json (npm-generated artifact)

Agent-Logs-Url: https://github.com/DavidKRK/DavidKRK.github.io/sessions/77dc0386-a668-443a-be71-77b24c82cf10

Co-authored-by: DavidKRK <136035295+DavidKRK@users.noreply.github.com>

Author: Copilot