Update README.md

Author: tposejank

README.md

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 Currently this repo archives all of Fortnite Festival's leaderboards of season 4 of Fortnite Festival.
 
 Season 3 Leaderboards: [a96a465572d407ede1724812cb9ce1ed49e71986](https://github.com/FNLookup/festival/tree/a96a465572d407ede1724812cb9ce1ed49e71986)
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+# Notice
+This has been replaced by [festival-leaderboards](https://github.com/FNLookup/festival-leaderboards) which is updated every day at 1:00 UTC+1.