We could, but then it restricts the file path / extension. Could the path be defined by /.well-known/nostr.json?
GET /.well-known/nostr.json
```
{
"names": {
"bob": “...“
},
"relays": {
"...": [ "wss://relay.example.com"]
},
icon: “https://path/to/icon%E2%80%9D
}
```