Create user stories regarding SVG Charting of XWiki Tables.
There are several user stories:
1. The user wants to visually create a new chart in the current page (
2. The user views a page containing one or several embedded charts (
3. The user wants to visually edit a chart (
4. The user wants to see a standalone view of an existing chart (
5. The user wants to create a new data source for an XWiki table (