rust

refactor(lang/rust): rust language guide #229

Job	Run time
build (component-model/examples/example-host)	29s
build (component-model/examples/tutorial/command, component)	26s
build (component-model/examples/tutorial/adder, component)	23s
build (component-model/examples/tutorial/calculator, component)	14s
	1m 32s

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