docs: add Firebase services to navbar

AsifArmanRahman · AsifArmanRahman · commit 77fa4c237488 · 2022-07-27T22:19:44.000+06:00
diff --git a/docs/index.rst b/docs/index.rst
@@ -101,6 +101,9 @@ Documentation contents
 
    guide/setup
    guide/firebase-rest-api
+   guide/authentication
+   guide/database
+   guide/storage
 
 .. toctree::
    :maxdepth: 2
