As an instructor I want to be able to create polls so that students can vote on issues like OH time, topics to cover in review sessions, etc.

[BAIZIKING]

Since we’re trying to implement functionalities that facilitate learning, polls are less important than other types of posts, especially Q&A posts. Therefore we priortise implementing crucial functionalities that facilitate Q&A between students and instructors more than other cosmetic functionalities like polls. This user story will probably require a medium/large amount of effort