[A4] Steam for the Sweeps

#ts14 Scenario Final GB steam Chatham Main Line Route Add-On #rtdp{00000066-c000-0000-0000-000000002016} Chatham Main and Medway Valley Lines Route Add-On Fife Circle Line: Edinburgh - Dunfermline Route Add-On #scnr{91d7f6dc-f603-4e5e-91ef-cc3a7b0a81bb}