Add event picture in eventbrite when creating an event model

[ralsuwaidi]

🏆 Task Description: Current events created in eventbrite don't have 👨‍🚀 Skills Needed: Python, API

📝Submission Requirement

• creating a model with an image should also create an event with an image in eventbrite

💭 Resources & Inspiration

• https://www.eventbrite.com/platform/api#/reference/event-search/upload-a-media-file