Moved demo to separate directory
Restyled demo page
Removed useless duplicated Markdown from demo script file
Fixed bottom spacing on demo page
Externalised scripts on demo page
Tidied sample Markdown
Improved sample Markdown wording and structure
Styled generated HTML
Moved history to separate file
Tidied and reworded README
Merge branch 'refs/heads/feature/demo-page' into develop
Merge branch 'refs/heads/develop'