/api/auth/invites
List all existing invite codes and their metadata (admin only).
curl -X GET "https://example.com/api/auth/invites"[ { "id": "string", "createdAt": "2019-08-24T14:15:22Z", "updatedAt": "2019-08-24T14:15:22Z", "expiresAt": "2019-08-24T14:15:22Z", "code": "string", "uses": 0, "maxUses": 0, "inviterId": "string", "inviter": { "username": "string", "id": "string", "role": "USER" } }]