WIP: Trying to fix docs

Author: cookpa

docs/source/api_index.rst

@@ -3,23 +3,10 @@ API Reference
 
 The full public API for ANTsPy.
 
-.. note::
-   This section is auto-generated with ``autosummary`` from the installed package.
-   Add new public modules by exposing them under the ``ants`` package.
 
-Top-level package
+ANTsPy modules
 -----------------
 
-.. autosummary::
-   :toctree: .
-   :template: autosummary/module.rst
-   :recursive:
-
-   ants
-
-Subpackages
------------
-
 .. autosummary::
    :toctree: .
    :template: autosummary/module.rst
@@ -33,4 +20,5 @@ Subpackages
    ants.ops
    ants.plotting
    ants.registration
-   ants.segmentation
+   ants.segmentation
+   ants.utils

docs/source/index.rst

@@ -10,10 +10,13 @@ ANTsPy documentation
 
 ANTsPy is an optimized and validated medical imaging library for Python.
 
+The "Package Reference" highlights commonly used functionality, organized thematically.
+
+See the "API Reference: all modules" for the full list of available modules and functions.
 
 .. toctree::
    :maxdepth: 1
-   :caption: Package Reference: select functionality organized thematically
+   :caption: Package Reference
 
    core
    registration