Release/0.66.0

[imaNNeo]

• IMPROVEMENT (by @imaNNeo) Add Flutter sdk constraints to the pubspec.yaml to force the user/developer to upgrade the Flutter version to 3.16.0 (latest), Error: The setter 'textScaler' isn't defined for the class 'RenderScatterChart'. #1509
• IMPROVEMENT (by @imaNNeo) Add dotPainter property to ScatterSpot to allow customizing the dot painter, Placing an Icon inside / over a ScatterSpot #568
• BREAKING (by @imaNNeo) Remove color and radius properties from ScatterSpot (use dotPainter instead), Placing an Icon inside / over a ScatterSpot #568
• BREAKING (by @imaNNeo) Change the default value of FlDotCirclePainter.strokeWidth to 0.0

/// Migration guide:
/// This is the old way:
ScatterSpot(
  2,
  5,
  color: Colors.red,
  radius: 12,
)

/// This is the new way:
ScatterSpot(
  2,
  8,
  dotPainter: FlDotCirclePainter(
    color: Colors.red,
    radius: 22,
  ),
),

• BUGFIX (by @imaNNeo) Fix barChart tooltip for values below or above the 0 point, BarTouchTooltipData cannot be displayed under Y-axis 0, Y-axis <0 #1462
• BUGFIX (by @imaNNeo) Fix pieChart drawing single section on iPhone, PieChart not fully draw in ios devices when have only one section #1515
• IMPROVEMENT (by @imaNNeo) Add gradient property to the HorizontalLine and VerticalLine, No Gradient for VerticalLine and HorizontalLine #1525
• FEATURE (by @raldhafiri) Add gradient property to the PieChartSectionData, gradient for pie chart #1511
• IMPROVEMENT (by @imaNNeo) Rename default branch master to main
• IMPROVEMENT (by @imaNNeo) Update flutter sdk constraints to remove the upper bound limit (Read more here).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (00c1cd6) 86.78% compared to head (6724e9a) 86.78%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1533   +/-   ##
=======================================
  Coverage   86.78%   86.78%           
=======================================
  Files          45       45           
  Lines        3034     3034           
=======================================
  Hits         2633     2633           
  Misses        401      401           

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