Resolve "Add FRiP score"

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PR checklist

• This comment contains a description of changes (with reason)
• If you've fixed a bug or added code that should be tested, add tests!
• Documentation in docs is updated
• CHANGELOG.md is updated
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Closes #29 (closed)

changed milestone to %Version 2.0

added enhancment label

assigned to @venkat.malladi

unmarked as a Work In Progress

changed the description

Should refer to !20 (merged) instead

closed