Game of life live demo on railway app returns 'Not Found'

https://github.com/AnswerDotAI/fasthtml-example/blob/bb24bc44453641c36f415ca89c1881570a9b616a/00_game_of_life/readme.md?plain=1#L16

https://game-of-life-production-ed7f.up.railway.app/

returns

```
Not Found

The train has not arrived at the station.

Please check your [network settings](https://docs.railway.com/guides/public-networking#railway-provided-domain) to confirm that your domain has provisioned.

If you are a visitor, please let the owner know you're stuck at the station.

Request ID:
BxND-XGkShaBr6_rMqEudw_3176973899
```

Start with the linked readme at 00_game_of_life/readme.md around line 16 and open the Railway deployment URL to confirm the reported response. Trace how this demo is deployed and determine what must be corrected so the live Game of Life page loads instead of Railway's Not Found page.

Written by the indexing model from the issue text.