Implement the social.SocialCard model

[eronlloyd]

Description

As part of the lobbying effort, we want the ability to quickly and easily share relevant information online that links back to more details on the platform. A great way to do this is through "social cards" or "social previews" that combine text and images as a graphic file that many social media platforms will use as the thumbnail when sharing a URL as part of a post.

Requirements

• Pillow (and other dependencies
• A flexible API that can be used for many models (public officials, legislation, campaigns, etc.)
• A file storage/caching that minimizes disk space and constant regeneration but stays fresh across queries

Dependencies

• None

Tasks

• Write unit tests
• Write functional tests
• Write docstring
• Write code
• Write documentation