New endpoint discovered (Add course)

[Luc-Olsthoorn]

This checks that you can add it

https://one.uf.edu/api/myschedule/term/2188/section/2555/add-check

This actually adds it

https://one.uf.edu/api/myschedule/term/2188/section/2555/add

Request payload

{"credits":3,"classNumber":12109,"gradBasis":"GRD","acadCareer":"UGRD"}