fix: change callout metadata regex to include non-letter characters (#1174)

Alex Nordstrom

2024-05-29 9ff4626d25aa28891e92d533f6513a43e3374e13

 quartz/plugins/transformers/frontmatter.ts

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