new payment by id method + shell scripts update + mntx removed

interface/api.yaml

@@ -93,6 +93,8 @@ paths:
     $ref: ./api/payments/by_quote.yaml
   /payments/by-multiquote/{organizations_ref}:
     $ref: ./api/payments/by_multiquote.yaml
+  /payments/object/{payments_ref}:
+    $ref: ./api/payments/object.yaml
   /payments/{organizations_ref}:
     $ref: ./api/payments/list.yaml
   /payments/documents/operation/{organizations_ref}: