Use sphinx RTD theme for docs

Author: spookylukey

docs/conf.py

@@ -32,7 +32,10 @@
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = ["sphinx.ext.viewcode"]
+extensions = [
+    "sphinx.ext.viewcode",
+    "sphinx_rtd_theme",
+]
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ["_templates"]
@@ -65,7 +68,7 @@
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = "en"
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
@@ -84,7 +87,7 @@
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = "default"
+html_theme = "sphinx_rtd_theme"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the

docs/requirements.txt

@@ -1,2 +1,2 @@
-sphinx>=4.3.0
-sphinx-rtd-theme>=1.2.0rc3,<1.3
+sphinx==8.2.3
+sphinx-rtd-theme==3.0.2

pyproject.toml

@@ -49,6 +49,8 @@ dev = [
     "tox>=4.24.1",
     "pytest-cov>=6.0.0",
     "pre-commit-uv>=4.1.4",
+    "sphinx>=7.4.7",
+    "sphinx-rtd-theme>=3.0.2",
 ]
 
 [tool.setuptools]