rust

Revise Go language support section #256

Job	Run time
build (component-model/examples/tutorial/calculator, component)	26s
build (component-model/examples/tutorial/adder, component)	21s
build (component-model/examples/tutorial/command, component)	29s
build (component-model/examples/example-host)	2m 5s
	3m 21s

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