Summary

Create the API endpoint /course-listing which lists a set of courses and, nested inside of each course, lists all of that course's sections. Eventually it, like /course-sections should be able to take a wide variety of filter arguments.

Sample data

A sample result

[
    {
    "subject": "CS",
    "course_number": 112,
    "title": "Introduction to Programming",
    "course_sections": [
        {
        "name": "CS 112 001",
        "crn": "71926",
        "section_type": "Lecture",
        "title": "Introduction to Programming",
        "instructor": "ASDFASDGASDG",
        "start_date": "2018-08-27",
        "end_date": "2018-12-19",
        "days": "T",
        }, ...
    ]
    },
    ...
]