fix: better description for ResponseOptions (#1220)

Author: huseeiin

src/routes/solid-router/reference/response-helpers/redirect.mdx

@@ -71,4 +71,4 @@ type RouterResponseInit = Omit<ResponseInit, "body"> & {
 function redirect(url: string, init?: number | RouterResponseInit): CustomResponse<never>;
 ``` 
 
-The `ResponseOptions` extends the types from the native [`ResponseInit`](https://developer.mozilla.org/en-US/docs/Web/API/Response/Response#options) interface.
+The `RouterResponseInit` type extends the native [`ResponseInit`](https://developer.mozilla.org/en-US/docs/Web/API/Response/Response#options) interface.