fix: properly compute relative path for explorer (closes #1055, #1066)

Jacky Zhao

2024-06-18 265faef4e8717eab9678a5515ca9150b7776b148

 quartz/plugins/transformers/frontmatter.ts

@@ -90,6 +90,7 @@
        description: string
        publish: boolean
        draft: boolean
        lang: string
        enableToc: string
        cssclasses: string[]
      }>