rust

Revise C# language support section #193

Job	Run time
build (component-model/examples/tutorial/adder, component)	13s
build (component-model/examples/tutorial/calculator, component)	25s
build (component-model/examples/example-host)	2m 11s
build (component-model/examples/tutorial/command, component)	23s
	3m 12s

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