v4.9.0 - Add `background-size` option for HTML slides

What's Changed

• fix(lib): a class can now have zero slide and work by @jeertmans in #125
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #127
• chore(deps): bump markdown-it-py from 2.1.0 to 2.2.0 by @dependabot in #129
• chore(deps): bump ipython from 8.9.0 to 8.10.0 by @dependabot in #126
• Adding Feature Background-Size in html-slides by @Fairlight8 in #132

New Contributors

• @dependabot made their first contribution in #129
• @Fairlight8 made their first contribution in #132

Full Changelog: v4.8.4...v4.9.0