docs: use sphinx-rtd-theme

docs/conf.py

@@ -1,9 +1,4 @@
-"""Sphinx configuration."""
-# Configuration file for the Sphinx documentation builder.
-#
-# This file only contains a selection of the most common options. For a full
-# list see the documentation:
-# https://www.sphinx-doc.org/en/master/usage/configuration.html
+"""Configuration file for the Sphinx documentation builder."""
 # -- Path setup --------------------------------------------------------------
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
@@ -40,6 +35,7 @@ release = version
 extensions = [
     "sphinx.ext.autodoc",
     "sphinx.ext.napoleon",
+    "sphinx_rtd_theme",
 ]
 
 # Add any paths that contain templates here, relative to this directory.
@@ -51,16 +47,12 @@ templates_path = ["_templates"]
 exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
 
 
-# Autoclass configuration
-autoclass_content = "both"
-
-
 # -- Options for HTML output -------------------------------------------------
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = "alabaster"
+html_theme = "sphinx_rtd_theme"
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,