docs: fix ktx docs urls for firebaseopensource.com
@@ -23,8 +23,8 @@ The following Firebase SDKs for Android have Kotlin extension libraries
that allow you to write more idiomatic Kotlin code when using Firebase
in your app:
- * [`firebase-common`](./ktx/common.md)
- * [`firebase-firestore`](./ktx/firestore.md)
+ * [`firebase-common`](ktx/common.md)
+ * [`firebase-firestore`](ktx/firestore.md)
[android-setup]: https://firebase.google.com/docs/android/setup
[main-readme]: https://github.com/firebase/firebase-android-sdk/blob/master/README.md
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