Default handler for `.well-known/appspecific/com.chrome.devtools.json`

### Describe the feature

Context: https://github.com/nuxt/nuxt/pull/32084 ([docs](https://docs.google.com/document/d/1rfKPnxsNuXhnF7AiQZhu9kIwdiMS5hnAI05HBwFuBSM/edit?tab=t.0#heading=h.7nki9mck5t64))


### Additional information

- [ ] Would you be willing to help implement this feature?