Rolling board displaying latest course status change

[ppfish45]

As there are tons of courses being monitored together, such a rolling board will be beneficial for users to get aware of some significant changes and seize the chance to enroll some courses.

To be specific, the backend will continuously update a list containing the latest changes in course status such as:

[
  {
    "Course" : "COMP2012H",
    "Section" : "L1(xxxx)",
    "Type" : "Quota Change",
    "Value" : 30,     # value may be negative
    "Time" : xxxxxxxxxx (an integer time stamp)
  },
  {
    "Course" : "COMP2012H",
    "Section" : "L1(xxxx)",
    "Type" : "Waitlist Advance",
    "Value" : 10,     # value may be negative
    "Time" : xxxxxxxxxx (an integer time stamp)
  }
]

The list can be retrieved by an API (to be developed), supporting customized time range (e.g., the latest 15 minutes). Display the retrieved information like the way in some stock websites (such as https://www.bloomberg.com/asia) will be quite impressive.