add continuous color to bar_polar

Author: nicolaskruchten

packages/python/plotly/plotly/express/_chart_types.py

@@ -808,6 +808,9 @@ def bar_polar(
     labels={},
     color_discrete_sequence=None,
     color_discrete_map={},
+    color_continuous_scale=None,
+    range_color=None,
+    color_continuous_midpoint=None,
     barnorm=None,
     barmode="relative",
     direction="clockwise",