chore: Add leaderboard preview subdomains to allowed origins (#344)

* Add leaderboard preview subdomains to allowed origins

* Add comment describing newly added regex

Author: pyropy

stats/lib/app.js

@@ -30,8 +30,11 @@ export const createApp = ({
       'app://-',
       'https://checker-draft.webflow.io',
       'https://www.checker.network',
+      'https://leaderboard.checker.network',
       'https://leaderboard-f1i.pages.dev',
-      'https://leaderboard.checker.network'
+      // Allow all subdomains of leaderboard-f1i.pages.dev
+      // generated by Cloudflare Pages preview deployments
+      /^https:\/\/[^.]+\.leaderboard-f1i\.pages\.dev$/
     ]
   })
   app.register(urlData)