added chart-modal.tag component to insert charts into content bodies, and exercise questions and answers
replaced that with self across all components
added ChartistJS library for plotting charts
refactored the way the tutorial builder switches between tabs. A tabObservable is used to notify the components configuration, content, and exercises to show
Changes & Additions
layout.pug
chart-modal.tag
component to insert charts into content bodies, and exercise questions and answersthat
withself
across all componentstabObservable
is used to notify the componentsconfiguration, content, and exercises
toshow
Note: Completes issue #41