Added content for basic usage
Added content for basic usage

The basic usage pointed to the website, which then pointed to the Mindmup website. Instead of constantly redirecting the user I've added the basic usage content from the Mindmup website since the content itself has not changed in recent versions.
RandomlyKnighted/bootstrap-wysiwyg,steveathon/bootstrap-wysiwyg,RandomlyKnighted/bootstrap-wysiwyg,steveathon/bootstrap-wysiwyg,floriansegginger/bootstrap-wysiwyg,floriansegginger/bootstrap-wysiwyg