Add ERP order import endpoint and n8n order-ingest flow export

db/migrations/0002_phase1_seed_methods.sql

@@ -0,0 +1,16 @@
+BEGIN;
+
+INSERT INTO payment_method (code, label)
+VALUES
+  ('card', 'Kredit-/Debitkarten'),
+  ('twint', 'TWINT'),
+  ('bank_transfer', 'Bankueberweisung')
+ON CONFLICT (code) DO NOTHING;
+
+INSERT INTO shipping_method (code, label)
+VALUES
+  ('post_standard', 'Versand mit Die Schweizerische Post (1-3 Werktage)'),
+  ('pickup', 'Abholung')
+ON CONFLICT (code) DO NOTHING;
+
+COMMIT;