Reading: Minimal prototype for grouping workflow, no computation, interaction or persistence #2360
Who is this PR for?
K5 reading teams
What problem does this PR fix?
Supporting reading teams in using benchmark reading data in reviewing and revising instructional groupings.
What does this PR do?
Adds a new grouping read page, shipped dark and behind a feature switch.
Screenshot (if adding a client-side feature)
Which features or pages does this PR touch?
Does this PR use tests to help verify we can deploy these changes quickly and confidently?