rust

refactor(lang/rust): rust language guide #282

Job	Run time
build (component-model/examples/tutorial/adder, component)	39s
build (component-model/examples/tutorial/calculator, component)	10s
build (component-model/examples/tutorial/command, component)	13s
build (component-model/examples/example-host)	1m 39s
	2m 41s

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