Added more configuration options to column chart

[AdrianBav]

Summary

Add additional configuration options for column charts

Issue

1. Allow for positioning data labels just above the charts columns
2. Allow x-axis labels to be set at right angles

    $columnChartModel =
        (new ColumnChartModel())
            ->setTitle('Expenses by Type')
            ->addColumn('Food', 100, '#f6ad55')
            ->addColumn('Shopping', 200, '#fc8181')
            ->addColumn('Travel', 400, '#90cdf4')
            ->withDataLabels()
            // Allow for positioning data labels just above the charts columns
            ->setDataLabelsPosition('top')
            ->setDataLabelsOffsetY(-20)
            ->setDataLabelsStyleColors(['#304758'])
            // Allow x-axis labels to be set at right angles
            ->setXAxisLabelAngle(-90)
        ;

Type of Change

• [x] :rocket: New Feature

Screenshot/Video

[AdrianBav]

Split up feature