update documentation

Author: troosan

docs/styles.rst

@@ -192,6 +192,14 @@ Available Chart style options:
 - ``width``. Width (in EMU).
 - ``height``. Height (in EMU).
 - ``3d``. Is 3D; applies to pie, bar, line, area, *true* or *false*.
+- ``colors``. A list of colors to use in the chart.
+- ``title``. The title for the chart.
+- ``showLegend``. Show legend, *true* or *false*.
+- ``categoryLabelPosition``. Label position for categories, *nextTo* (default), *low* or *high*.
+- ``valueLabelPosition``. Label position for values, *nextTo* (default), *low* or *high*.
+- ``categoryAxisTitle``. The title for the category axis.
+- ``valueAxisTitle``. The title for the values axis.
+- ``majorTickMarkPos``. The position for major tick marks, *in*, *out*, *cross*, *none* (default).
 - ``showAxisLabels``. Show labels for axis, *true* or *false*.
 - ``gridX``. Show Gridlines for X-Axis, *true* or *false*.
 - ``gridY``. Show Gridlines for Y-Axis, *true* or *false*.