* chore: Clean up authentication middlewares
* chore: Rename AuthUser to AuthIdentity
* feat: Define link between user, customer, and auth identity
* feat: Use links for auth, update auth context content
* fix: Adjust user create command with new auth setup
* fix: Make auth login more dynamic, review fixes
* fix: Change test assertions for created by
**what**
- Create return workflow partial implementation
- Update some order domain types
- create order fulfillment link
**NOTE**
this PR is partially done but can still be merged as is, it will require some discussions around the flow and some unknowns or uncertainty in regards to some data and some behaviour