Implement feature to cluster mapping function

[AbhirupaGhosh]

This function reads data from DuckDB parquet files, standardizes columns, and prepares a mapping of clusters to features. It also writes the resulting data to a parquet file and creates a view in the database.

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• Bug fix (fixes an issue).
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[charmvang]

Any documentation for this function? Params, outputs, etc..

[charmvang]

Since this is in ML package, we are mapping features after running models?

[AbhirupaGhosh]

That's a good point @charmvang. Maybe this function is more appropriate in https://github.com/JRaviLab/amRdata