[ToU] Create route to determine current user SuS status

[aparsley]

Issue Description

we need to create route to determine current user SuS status

Back end tasks

Acceptance Criteria

• [ ] RESTful, ICN provided by frontend as mandatory param
• [ ] Redis cache for status tied to user redis cache lifespan

Tech notes

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How to configure this issue

• [ ] Attached to a Milestone (when will this be completed?)
• [ ] Attached to an Epic (what body of work is this a part of?)
• [ ] Labeled with Team (product support, analytics-insights, operations, service-design, Console-Services, tools-fe)
• [ ] Labeled with Practice Area (backend, frontend, devops, design, research, product, ia, qa, analytics, contact center, research, accessibility, content)
• [ ] Labeled with Type (bug, request, discovery, documentation, etc.)

[parkerbees]

Closing. This ticket is over a year old. If still relevant it can be pulled from Zenhub in future.