jeertmans/manim-slides: v4.13.2 - Improved documentation and JOSE final paper

This release is the first release containing the Journal of Open Source Education (JOSE) paper in its final state.

• fix(pages): missing assets by @jeertmans in https://github.com/jeertmans/manim-slides/pull/183
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in https://github.com/jeertmans/manim-slides/pull/184
• chore(docs): document scene subclassing by @jeertmans in https://github.com/jeertmans/manim-slides/pull/186
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in https://github.com/jeertmans/manim-slides/pull/187
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in https://github.com/jeertmans/manim-slides/pull/189
• chore(cli): fix and improve help messages by @jeertmans in https://github.com/jeertmans/manim-slides/pull/191
• chore(paper): add comparison section by @jeertmans in https://github.com/jeertmans/manim-slides/pull/192

Full Changelog: https://github.com/jeertmans/manim-slides/compare/v4.13.1...v4.13.2