update round3 leaderboard

update leaderboard

Update results.json

Update results.json

Update results.json

Update results.json

Update results.json

Polish leaderboard copy and model labels

Update submission format to outputs tree

Switch submission to email with ZIP size limit

Update submission URL and remove placeholder rankings

Refine production leaderboard copy

Copy hf-world-model-leaderboard into wm-track-test

initial commit