• added functionallity to have dashed lines, in everywhere we draw line, there should be a property called dashArray (for example check LineChartBarData, and see LineChartSample8)
• BREAKING CHANGE:
• swapped HorizontalExtraLines, and VerticalExtraLines functionalities (now it has a well definition)
• and also removed showVerticalLines, and showHorizontalLines from ExtraLinesData, if the horizontalLines, or verticalLines is empty we don't show them