Set the label for the X axis # Arguments `text` - Text of the label. Pass an empty string to hide the label `options` - Array of LabelOption controlling the appearance of the label. Relevant options are: `Offset` - Specifies the offset of the label `Font` - Specifies the font of the label `TextColor` - Specifies the color of the label `Rotate` - Specifies the rotation of the label `Align` - Specif
(&'l mut self, text: &str, options: &[LabelOption<&str>])