docs: Add CollapsedWave to showcase.md (#643)

migueltorrescosta

2023-12-20 be76da9e95b6744f4934280cb85504371ccc1244

 quartz/cfg.ts

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

export interface GlobalConfiguration {
  pageTitle: string