docs(showcase): fix pull request redirect link (#500)

Ben Schlegel

2023-09-22 d93599364a3dd0b46068826cf14ed7b25aa59fc3

 quartz/cfg.ts

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

export interface GlobalConfiguration {
  pageTitle: string