add color_index property to docstring

Author: FoamyGuy

shared-bindings/vectorio/Circle.c

@@ -18,7 +18,8 @@
 //|            :param Union[~displayio.ColorConverter,~displayio.Palette] pixel_shader: The pixel shader that produces colors from values
 //|            :param int radius: The radius of the circle in pixels
 //|            :param int x: Initial x position of the axis.
-//|            :param int y: Initial y position of the axis."""
+//|            :param int y: Initial y position of the axis.
+//|            :param int color_index: Initial color_index to use when selecting color from the palette."""
 //|
 static mp_obj_t vectorio_circle_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
     enum { ARG_pixel_shader, ARG_radius, ARG_x, ARG_y, ARG_color_index };

shared-bindings/vectorio/Polygon.c

@@ -25,7 +25,8 @@
 //|             shader that produces colors from values
 //|         :param List[Tuple[int,int]] points: Vertices for the polygon
 //|         :param int x: Initial screen x position of the 0,0 origin in the points list.
-//|         :param int y: Initial screen y position of the 0,0 origin in the points list."""
+//|         :param int y: Initial screen y position of the 0,0 origin in the points list.
+//|         :param int color_index: Initial color_index to use when selecting color from the palette."""
 //|
 static mp_obj_t vectorio_polygon_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
     enum { ARG_pixel_shader, ARG_points_list, ARG_x, ARG_y, ARG_color_index };