Create DynamoDB table for project data

Contents:
{
"project_id": string,
"has_queries": bool,
"has_transcript": bool,
"song_id": string,
"background_videos": [{"file_name": "media_id1", "bucket", "project-data-69", "bucket_path": "panda@example.com/42069/bg_videos},...],
"has_blank_video":bool,
"has_video_with_media": bool,
"has_video_with_subtitles": bool,
"has_video_with_music":bool,
}