This PR implements a summary report designed to be serialized to csv for users' progress in ORAs. The aim is to provide a report that can be used by instructors to perform tasks such as a list of students have submitted a response but not completed the peer assessment step.
The actual logic for generating the data itself is implemented in https://github.com/edx/edx-ora2/pull/1250
*JIRA tickets*: TBD
*Screenshots*: Always include screenshots if there is any change to the UI.
*Sandbox URL*: TBD - sandbox is being provisioned.
*Merge deadline*: None
*Author notes and concerns*:
[ ] @pomegranited
[ ] edX reviewer[s] TBD