Gemma 4 Model download issues

tried the new gemma4. with
```
cargo run -r --example gemma4 --features metal -- --prompt "write a business model for magic spells" --model-id google/gemma-4-E2B-it
```

i tried it and it wont downlaod the model. so i used the hf-hub tool and downloaded the model and it still errors on trying to download both smaller model-id.
```
Error: request error: https://huggingface.co/google/gemma-4-E2B-it/resolve/main/model.safetensors.index.json: status code 404
```