Cloned from reveal.js @3.6.0
Changed:
- Added modified chalkboard plugin and audio plugin (for playing back chalkboard.
- Added size config to chalkboard.
- Removed chalkboard texture.
- Changed hotkeys around.
- Audio plugin only configured for chalkboard playback.
- Long duration, no auto switching to next fragment/slide.
- Audio controls are completely hidden.
- Customized markdown to ignore frontmatter (for use with VS Code Markdown Preview Enhanced)
- Added custom css for flexboxes to allow aligned right/left images.