docs(readme): document `HYPER_API_KEY`

Andrey Nering created

Change summary

README.md | 1 +
1 file changed, 1 insertion(+)

Detailed changes

README.md 🔗

@@ -181,6 +181,7 @@ That said, you can also set environment variables for preferred providers.
 
 | Environment Variable        | Provider                                           |
 | --------------------------- | -------------------------------------------------- |
+| `HYPER_API_KEY`             | Charm Hyper                                        |
 | `ANTHROPIC_API_KEY`         | Anthropic                                          |
 | `OPENAI_API_KEY`            | OpenAI                                             |
 | `VERCEL_API_KEY`            | Vercel AI Gateway                                  |