feat: Add converting prps to prpd

[hjkim-onepredict]

Summary

Write the summary about this PR. First commit for this issue. Make function and test script.

This function convert PRPS data, which represents the amplitude of partial discharge in time and phase dimension to PRPD data by projecting in time dimension.

Changes

Write changes in detail.

How to Test?

Write a way to test the changes.

Checklist

• [x] Do you pass all the tests?
• [x] Do you write the changes on document such as README?

[kyunghwan-onepredict]

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[kyunghwan-onepredict]

로컬에서 make test 실행하시고 에러 해결 필요합니다.

[hjkim-onepredict]

로컬에서 make test 실행하시고 에러 해결 필요합니다.

[kyunghwan-onepredict]

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@all-contributors please add @hjkim-onepredict for code

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