feat(sub): handling upgrade/downgrade

rw integration and /me endpoints are left

repositories/invoices.py

@@ -21,9 +21,12 @@ class InvoiceRepository:
 
         return list(r.scalars().all())
 
-    async def create(self, creator_id: int, amount: int | float, status: InvoiceStatus) -> Invoice:
+    async def create(
+        self, creator_id: int, order_id: int, amount: int | float, status: InvoiceStatus
+    ) -> Invoice:
         obj = Invoice(
             creator_id=creator_id,
+            order_id=order_id,
             amount=amount,
             status=status,
         )