Configures the label connectors.
A point label is always displayed near its series point, though the label is placed separately. To make the relationship between the series point and its label evident, use a connector.
By default, label connectors are hidden. To make them visible, set the connector.visible option to true.
Colors the connectors.
This option supports the following colors:
Makes the connectors visible. Applies only if label.visible is set to true.
Specifies the width of the connectors in pixels.