A CatAxis object defines a chart category axis
Creates a new CatAxis object
From the docs: This element specifies that this axis is a date or text axis based on the data that is used for the axis labels, not a specific choice.
specifies how the perpendicular axis is crossed must be one of [:ctr, :l, :r]
The offset of the labels must be between a string between 0 and 1000
The number of tick lables to skip between labels
The number of tickmarks to be skipped before the next one is rendered.
Serializes the object