Implementation of process reversal

...banking/application/controller/TransactionController.java

...i/pa165/banking/application/facade/TransactionFacade.java

...pa165/banking/application/service/AccountServiceImpl.java

...king/application/service/TransactionProcessesService.java

...5/banking/domain/process/handler/CrossAccountHandler.java

.../pa165/banking/domain/process/handler/DepositHandler.java

...a165/banking/domain/process/handler/ScheduledHandler.java

...pa165/banking/domain/process/handler/WithdrawHandler.java

...a/cz/muni/pa165/banking/domain/remote/AccountService.java

transaction-processor/src/main/resources/openapi.yaml