fix: generalize frontmatter parsing and coercing

Jacky Zhao

2024-01-28 42ee069c1cc515e6c5e595143e46c8201c6cbe3f

 quartz/plugins/index.ts

@@ -30,5 +30,6 @@
  interface DataMap {
    slug: FullSlug
    filePath: FilePath
    relativePath: FilePath
  }
}