CAR-1744: add the run-script method/exception definitions
CAR-1744: add the run-script method/exception definitions

Signed-off-by: Zheng Li <34c6fceca75e456f25e7e99531e2425c6c1de443@zheng.li>

Chunjie/xcp-idl,johnelse/xcp-idl,xapi-project/message-switch,euanh/xcp-idl,xapi-project/message-switch,xapi-project/message-switch,djs55/xcp-idl