Callbacks and add new value and dataset at runtime

Merge pull request #31 from erossini/feature/groupYAxis

Add GroupYAxis

Add Help; add multiple axis; Fix minor bugs

Merge pull request #28 from erossini/feature/StringEnum

Add for Line chart Y and Y2 - Add Pie chart options - Introduce StringEnum for Align, LegendAlign, CrossAlign, PointStyle and Poistion

Merge pull request #26 from erossini/feature/add-zoom

Add borderWidth for all charts

Merge pull request #25 from erossini/feature/add-zoom

Add settings for Animations and Title

Merge pull request #23 from erossini/feature/add-zoom

Add zoom - Clean the projects

Merge pull request #19 from macias/main

crosshair