Update event.py (#112)

My transactions had these additional event types, which were not exported.

Author: KarimShehata

pytr/event.py

@@ -7,9 +7,11 @@
     "ssp_corporate_action_invoice_cash": "DIVIDENDS",
     "TRADE_INVOICE": "TRADE_INVOICE",
     "SAVINGS_PLAN_EXECUTED": "TRADE_INVOICE",
+    "SAVINGS_PLAN_INVOICE_CREATED": "TRADE_INVOICE",
     "ORDER_EXECUTED": "TRADE_INVOICE",
     "PAYMENT_INBOUND": "DEPOSIT",
     "PAYMENT_INBOUND_SEPA_DIRECT_DEBIT": "DEPOSIT",
+    "PAYMENT_INBOUND_GOOGLE_PAY": "DEPOSIT",
     "PAYMENT_OUTBOUND": "REMOVAL",
     "INTEREST_PAYOUT_CREATED": "INTEREST",
     "card_successful_transaction": "REMOVAL",