Show GN: Fairydust - Fairy 후원 소식 readme 자동 기록 서비스

Fairydust automates the documentation of sponsorship donations directly in GitHub repositories, eliminating manual README updates for open-source developers. By integrating with the Fairy platform via webhooks, it enables developers to effortlessly acknowledge supporters while building sustainable, sponsor-driven funding models. This automation reduces friction in showing gratitude to financial contributors, strengthening community engagement and making open-source sustainability more scalable.