TAG 2020/21 Summer Sprint 2

Key	Summary	Due Date
SIO-2422	Make technical details of contests and problems available for users	2021-04-13T17-20 2022-02-28T09-29

Key	Summary	Updated
SIO-2422	Make technical details of contests and problems available for users	2021-04-13T17-20 2022-02-28
SIO-2427	Add django 2.2 support	2021-04-20T21-24 2022-01-2
SIO-2423	Add ranking for each user group in a contest	2021-04-13T17-34 2021-06-24

Summary