Obsidian Obsidian-01-설치-및-장점 Obsidian-02-기본-설정 Obsidian-03-Skill-활용 Obsidian-04-Quartz4-지식정원 Obsidian-05-Quartz-이미지-최적화-WebP 자동 색인 하위 폴더 notes 문서 Obsidian-01-설치-및-장점 Obsidian-02-기본-설정 Obsidian-03-Skill-활용 Obsidian-04-Quartz4-지식정원 Obsidian-05-Quartz-이미지-최적화-WebP