Integrated the sphinx-github-alerts extension into the Sphinx configuration, requirements, and documentation table of contents to enable GitHub alerts functionality.
Added new pages for Sphinx exercise and Sphinx proof extensions, including installation and usage instructions. Updated references, credits, and feature pages to reflect inclusion in TeachBooks Template and Favourites. Improved consistency of external links and badges, and updated submodules to latest versions.
Moved basic features into a new 'Original Jupyter Book and Sphinx Features' section, consolidated and reordered feature sections, and updated references to external documentation. This improves the logical organization and clarity of the table of contents.
Split the TeachBooks Python Package and Deploy Book Workflow documentation into dedicated intro pages (teachbooks_intro.md, DBW_intro.md), update references and links throughout feature pages, and revise the _toc.yml structure to include new sections. Added clarifications to favourites and live_code features, improving organization and navigation for users.
Included the sphinx-accessibility extension in the Sphinx configuration and requirements. Updated the table of contents to reference the Sphinx-Accessibility manual for improved documentation coverage.
Integrated the sphinx-code-examples extension by updating _config.yml, _toc.yml, and requirements.txt. This adds support for code example features and links to its manual in the table of contents.
