Document which scopes apply to which endpoints.

Use Case

IN order to do projets/projets-clients/open-food-network/data-permissioning-module#62 (closed)

We need a clear documentation on which scopes apply to which endpoints

Acceptance Criteria

Maybe this needs to be linked with projets/projets-clients/open-food-network/ofn-rpp#37 (closed) ?

The documentation needs to be reviewed and approved by at least 2 other team members.