import-debitor-relationship (into intermediate data structure) (#22)

Co-authored-by: Michael Hoennig <michael@hoennig.de>
Reviewed-on: https://dev.hostsharing.net/hostsharing/hs.hsadmin.ng/pulls/22
Reviewed-by: Timotheus Pokorra <timotheus.pokorra@hostsharing.net>

src/main/resources/db/changelog/220-hs-office-relationship.sql

@@ -9,8 +9,8 @@ CREATE TYPE HsOfficeRelationshipType AS ENUM (
     'PARTNER',
     'EX_PARTNER',
     'REPRESENTATIVE',
+    'DEBITOR',
     'VIP_CONTACT',
-    'ACCOUNTING',
     'OPERATIONS',
     'SUBSCRIBER');