feat: added riemann zeta function algorithm

[nunniii]

Description of Change

🪐 Implement a simple algorithm for calculating the Riemann zeta function

🐪✨
Algorithm Concept Details:
Apostol, T. M. (2010). Zeta and Related Functions"

For some function return comparisons:
Calculator/Riemann-Zeta-Function
wiki/Riemann_zeta_function

References

Checklist

• Added description of change
• Added file name matches File name guidelines
• Added tests and example, test must pass
• Relevant documentation/comments is changed or added
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• I acknowledge that all my contributions will be made under the project's license.

Notes:

[github-actions]

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[nunniii]

ping ..