Add numpy max term

[7thmaniac]

Description

This PR adds a new term entry for the NumPy ndarray.max() method under content/numpy/concepts/ndarray/terms/max/max.md.
The entry includes a full description of the method, syntax, parameters, return values, examples, and a runnable Codebyte example.
It adheres to the Codecademy Docs style guide, including correct metadata formatting, Markdown structure, and inline-code conventions.

Issue Solved

Closes #8002

Type of Change

• Adding a new entry

Checklist

• All writings are my own.
• My entry follows the Codecademy Docs style guide.
• My changes generate no new warnings.
• I have performed a self-review of my own writing and code.
• I have checked my entry and corrected any misspellings.
• I have made corresponding changes to the documentation if needed.
• I have confirmed my changes are not being pushed from my forked main branch.
• I have confirmed that I'm pushing from a new branch named after the changes I'm making.
• I have linked any issues that are relevant to this PR in the Issues Solved section.

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[mamtawardhani]

Closing this as:

1. This PR is empty
2. I've already raised a PR for this issue as the author was inactive for longer period

Hey @7thmaniac, we've some issues open right now. You can check and let us know if you would like to work on any of the issues. Just make sure you submit a PR within 2 weeks at the max. 😄