Docs: Add PyTorch .remainder() Tensor Operation documentation

[zka26]

Description

Add a new term entry for .remainder() under PyTorch Tensor Operations.
Location: docs/content/pytorch/concepts/tensors/terms/remainder/remainder.md

Summary:

• Description explaining behavior and functionality
• Syntax
• Four examples:
  • 1D tensor % integer
  • 2D tensor % integer
  • tensor % tensor
  • float tensor % number

Issue Solved

Closes #7855

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.

[CLAassistant]

All committers have signed the CLA.

[mamtawardhani]

Looks good for a second review! 🚀

[Sriparno08]

Looks good, @zka26!

[github-actions]

👋 @zka26
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