v5.5.1 - Pause HTML slides and always enable speaker view

What's Changed

• feat(html): always include RevealJS' notes plugin by @jeertmans in #538
• chore(deps): pre-commit autoupdate by @pre-commit-ci in #537
• feat(html): pause HTML slides with SPACE key by @jeertmans in #539

Full Changelog: v5.5.0...v5.5.1