https://github.com/elax46/custom-brand-icons
1. custom-brand-icons.js 파일을 /homeassistant/www/community/custom-brand-icons 에 복사
2. configuration.yaml에 아래를 추가
lovelace:
mode: yaml
resources:
- url: /hacsfiles/button-card/button-card.js
type: module
- url: /local/community/custom-brand-icons/custom-brand-icons.js
type: js
3. Home Assistant 재 시작