Some work on insurances! Added SQL table 'insurances' to be able to save ship insurance data. Added GetContracts, InsureShip to InsuranceBound class. Reworked GetInsurancePrice in InsuaranceBound class to actually get a price. dded GetInsurancePrice stub to InsuranceService. Added GetInsuranceInfoByShipID, GetInsuranceContractsByOwner, InsertInsuranceByShipID, DeleteInsuranceByShipID to ShipDB class.