fix: replace live-server with serve to eliminate Snyk security vulnerabilities

Agent-Logs-Url: https://github.com/DavidKRK/DavidKRK.github.io/sessions/03e73c36-d7a7-4fe7-837d-e900985bd2cc

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

Author: Copilot