Document Subject Moderation Interface

From https://gitlab.developers.cam.ac.uk/uis/devops/admin/-/issues/205 using the template from !53 (merged)

changed milestone to %DevOps Sprint 118

changed time estimate to 1d

added workflowSprint Ready label

added Documentation label

added to epic uis/devops&24 (closed)

added priority2 Medium label

set weight to 1

added workflowIn Progress label and removed workflowSprint Ready label

We'll need to decide who should be service owner/manager for this service (I'll write myself in for now).

mentioned in issue #22 (closed)

mentioned in commit 5a9e4cd3

mentioned in merge request !58 (merged)

added 3h of time spent at 2021-04-12

added workflowReview Required label and removed workflowIn Progress label

mentioned in commit 427d449d

Have reviewed with a couple of small suggestions.

added workflowRework label and removed workflowReview Required label

mentioned in commit f6dcb4b9

added workflowReview Required label and removed workflowRework label