Add a dropdown for the classroom name using the API. Currently, we are relying too much on the users for important GitHub information like: - Classroom name - Assignment name - Student name We should be able to use the GitHub Classroom API for this: - https://docs.github.com/en/rest/classroom/classroom?apiVersion=2022-11-28#list-assignments-for-a-classroom - https://docs.github.com/en/rest/classroom/classroom?apiVersion=2022-11-28#list-classrooms - https://docs.github.com/en/rest/classroom/classroom?apiVersion=2022-11-28#list-accepted-assignments-for-an-assignment