[FEATURE] Support building on Windows

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Is your feature request related to a problem?

Add support for building on Windows.

What solution would you like?

Instructions in this repo in DEVELOPER_GUIDE for pre-requisites, and changes to https://github.com/opensearch-project/opensearch-build/blob/main/scripts/components/k-NN/build.sh so that Windows build "just works".

Do you have any additional context?
Coming from opensearch-project/opensearch-build#33

1. The build needs Cmake, which can be installed from https://cmake.org/download/
2. The build needs NMake, unclear where to get that from
3. ...