   src: '../../slides/plugin/markdown/markdown.js'
            },
            { src: '../../slides/plugin/mouse-pointer/mouse-pointer.js', async: true }, 
            {
                src: '../../slides/plugin/notes/notes.js',
                async: true
            },
            /*
            {
                src: '../../slides/plugin/chalkboard/chalkboard.js'
            },
            */
            {
                src: '../../slides/plugin/highlight/highlight.js',
                async: true,
    