uplaoding video not supported #220
Description
i was using this library for some time now , and i'm so thankful for the work you guys have made so far , but i wanted to add video posting functionality and i couldn't find it here as well as outside github , i looked everywhere but couldn't find the api endpoint for that , can anyone guide me or help me on how to achieve that , or how to reverse engineer pinterest api , i would like to contribute to this project but i need some guidance