Display correaltion and VIF for the model features

[anilkumarpanda]

Add correlation and VIF values for the Scorecard Model. These can be a part of model reporting.

[adrianmcphee]

@ReinierKoops it would be great to discuss adding Skorecard and your other open-source repositories to OpenUnited. We can help match your product's challenges with skilled contributors, including Python developers and product managers, to address issues and enhance the product.