Добавлен адаптер к tbank и формирование ссылки на оплату

app/adapters/tbank/base.py

@@ -0,0 +1,9 @@
+"""TBank payment adapter errors."""
+
+
+class TBankPaymentAdapterError(RuntimeError):
+    """Raised when a TBank payment adapter call fails."""
+
+
+class TBankPaymentRequestError(TBankPaymentAdapterError):
+    """Raised when TBank rejects payment request data."""