[Feature] ADD Treynor Ratio function

[Abhinavcode13]

Are you adding a new feature?

• [x] YES
• [ ] NO

Are you enhancing the old feature?

• [ ] YES
• [x] NO

Is your feature request related to a problem?

• [x] YES
• [ ] NO

Describe your feature/enhancement.

Can you add the feature by yourself?

• [x] YES
• [ ] NO

Additional Information

The Treynor ratio is a risk-adjusted performance metric that considers the systematic risk of an investment or portfolio. It is similar to the Sharpe ratio but uses beta as a measure of risk instead of standard deviation.

[Abhinavcode13]

Please assign me this issue under gssoc @ighoshsubho thanks

[Abhinavcode13]

@AshAman999 please assign this is to me

[Abhinavcode13]

@nikhil25803 please assign this !!

[ighoshsubho]

Go ahead @Abhinavcode13 ;)

[ighoshsubho]

Hello @Abhinavcode13, this is Version 2 of Fintech API repository, there had been few major updates, please go through the CONTRIBUTING.md to make further contributions. Thanks.