docs: replace sphinx-rtd-theme with sphinx-book-theme (#1657)

Compared to `sphinx-rtd-theme`, `sphinx-book-theme` is a clean and
modern Sphinx theme.

Generated by the task: njzjz-bot/njzjz-bot#11.


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **New Features**
- Updated documentation theme to `sphinx_book_theme`, enhancing visual
presentation.
- Introduced options for light and dark logo images in the
documentation.

- **Bug Fixes**
- Updated dependency versions to ensure compatibility and improved
functionality.

- **Documentation**
- Enhanced configuration settings for better theme management in the
documentation.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Signed-off-by: Jinzhe Zeng <[email protected]>
Co-authored-by: Jinzhe Zeng <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

doc/conf.py

@@ -30,7 +30,7 @@
 # ones.
 # extensions = [
 #     'recommonmark',
-#     "sphinx_rtd_theme",
+#     "sphinx_book_theme",
 #     'myst_parser',
 #     'sphinx_markdown_tables',
 #     'sphinx.ext.autosummary'
@@ -39,7 +39,7 @@
 extensions = [
     "deepmodeling_sphinx",
     "dargs.sphinx",
-    "sphinx_rtd_theme",
+    "sphinx_book_theme",
     "myst_parser",
     "sphinx.ext.autosummary",
     "sphinx.ext.viewcode",
@@ -71,14 +71,20 @@
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = "sphinx_rtd_theme"
+html_theme = "sphinx_book_theme"
 html_logo = "_static/logo.svg"
 
 # 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,
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ["_static"]
 html_css_files = ["css/custom.css"]
+html_theme_options = {
+    "logo": {
+        "image_light": "_static/logo.svg",
+        "image_dark": "_static/logo-dark.svg",
+    }
+}
 
 autodoc_default_flags = ["members"]
 autosummary_generate = True

doc/requirements.txt

@@ -1,11 +1,11 @@
 # https://github.com/sphinx-doc/sphinx/issues/11662
 sphinx>=4.0.2,!=7.2.5
 recommonmark
-sphinx_rtd_theme>=0.6
+sphinx-book-theme
 sphinx_markdown_tables
 sphinx-argparse<0.5.0
 myst-parser
-deepmodeling_sphinx>=0.1.1
+deepmodeling-sphinx>=0.3.0
 dargs>=0.3.1
 numpydoc
 .