docs: note embeds and update git hint

Jacky Zhao

2023-12-16 3c01b92cc46589ac4607d994b49f1327dba3f38e

 quartz/cfg.ts

@@ -12,6 +12,10 @@
      provider: "google"
      tagId: string
    }
  | {
      provider: "umami"
      websiteId: string
    }

export interface GlobalConfiguration {
  pageTitle: string