[Feature]: Add missing backend management pages for database tables

[dmueller-dev]

Problem Statement

There is not an add/edit page within the admin backend/ for all database tables.
For example, add and edit stores.

Proposed Solution / Workflow

Add these pages/functions where they are missing to achieve complete database coverage.

Alternatives Considered

No response

Additional Context

No response

Checklist

• I have searched existing issues to verify this feature has not already been requested.