docs: Clarify that seriesPoint.size sets area (#47)
docs: Clarify that seriesPoint.size sets area (#47)

ColinEberhardt/d3fc,ColinEberhardt/d3fc,d3fc/d3fc,chrisprice/d3fc,ScottLogic/d3fc,jleft/d3-financial-components,ColinEberhardt/d3fc,d3fc/d3fc,jleft/d3-financial-components,jleft/d3-financial-components,chrisprice/d3fc,chrisprice/d3fc,d3fc/d3fc,ScottLogic/d3fc,ScottLogic/d3fc,d3fc/d3fc