Reduce typo count (#8951)

Add an example for wasi-nn WinML backend. (#8472)

* Add an example for wasi-nn WinML backend.

This example is similar as classification-component-onnx, but it's not a wasm
component, and it's for W

Add an example for wasi-nn WinML backend. (#8472)

* Add an example for wasi-nn WinML backend.

This example is similar as classification-component-onnx, but it's not a wasm
component, and it's for WinML backend. It also includes a step by step
instruction for running this example.

* Touch up the documentation for this example

This change removes some duplicated information and tweaks some of the
wording.

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Co-authored-by: Andrew Brown <[email protected]>

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