Steal-douyin-video-content-url

Add: _render_data_rate_list_map_aweme support name='43'
refactor the previous function by a builder

Bump version 0.6

Commit RenderDataTagNotFoundException and RenderDataObjectStrategyNotDefinedException
RenderDataObjectStrategyNotDefinedException: Exception raised when all strategy failed to extract renderDataObject.
RenderDataTagNotFoundException: Exception raised when the given url does not contain a 'RENDER_DATA' tag.

Commit example.py and README.md for adapting to two new Exceptions

Refactor render_data_object_strategy to separate module

Commit exposing headers parameter on get_content() and url_cookies_to_video_bit_rate_list()

Fix: key '42' instead of '41' in url page 'https://www.douyin.com/video/7165878849140460807'