Is it possible to add documents to a main project without individualy uploading to each task?

Can you add documents to a main project that can be accessed for reference by all tasks within that project? Each task is assigned to individual team members with the same general reference material,currently I up load the same documents to several tasks,this is time consuming

Same answer from me applies to this post as well: https://github.community/t5/Project-Development-Help-and/Method-of-alerts-if-an-assigned-task-passses-due-date/m-p/26042/highlight/false#M3989

You might try the Github API to update the cards. See https://developer.github.com/v3/projects/cards/#update-a-project-card