Added .crc32() term under binascii module

[dhruvlad1]

Description

This PR adds a new term entry for .crc32(), a function from Python’s binascii module that computes the CRC-32 checksum of binary data.
The entry includes a detailed description, syntax, parameters, return value, a practical example, and a compilable Codebyte example.
This helps learners understand how to use .crc32() for error detection and data validation through checksum computation.

Issue Solved

Closes #7734

Type of Change

• Adding a new entry
• Editing an existing entry (fixing a typo, bug, issues, etc)
• Updating the documentation

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.

[mamtawardhani]

Looks good for a second review! 🚀