docs: add link to ofetch repo (#26284)

docs/1.getting-started/6.data-fetching.md

@@ -60,7 +60,7 @@ This composable is a wrapper around the [`useAsyncData`](/docs/api/composables/u
 
 ## `$fetch`
 
-Nuxt includes the `ofetch` library, and is auto-imported as the `$fetch` alias globally across your application. It's what `useFetch` uses behind the scenes.
+Nuxt includes the [ofetch](https://github.com/unjs/ofetch) library, and is auto-imported as the `$fetch` alias globally across your application. It's what `useFetch` uses behind the scenes.
 
 ```vue twoslash [pages/todos.vue]
 <script setup lang="ts">