revert the last commit (led to bad sidebar folding)

Martin Durant · Martin Durant · commit 916ab022b9a3 · 2021-06-17T10:06:16.000-04:00
diff --git a/docs/source/index.rst b/docs/source/index.rst
@@ -93,3 +93,17 @@ The current list of known implementations can be found as follows
     from fsspec.registry import known_implementations
 
     known_implementations
+
+
+
+.. toctree::
+   :maxdepth: 1
+   :caption: Contents:
+
+   intro.rst
+   usage.rst
+   features.rst
+   developer.rst
+   async.rst
+   api.rst
+   changelog.rst
