Term entry for total_ordering class decorator under the functools module.

[sjtechrec]

Description

• Created file 'total-ordering.md'
• Inserted YAML at top ==> Note that Python is not listed as a Subject in the Subjects.md file and Class Decorator is not listed as a Tag in the Tags.md file. Is it possible to add?
• Wrote a definition for total_ordering and reintroduced the rich comparison methods. Added requirements and characteristics.
• Wrote syntax for total_ordering, which is technically two different ways.
• Provided two examples, one example shows simple use based on a class age. The other example shows the customization capabilities of rich comparison methods and usage in conjunction with total_ordering.

Issue Solved

• [Term Entry] Python functools: total_ordering() [Term Entry] Python functools: total_ordering() #7457

Type of Change

• Added 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. - branch is named "total-ordering-entry" if that is ok?
• I have linked any issues that are relevant to this PR in the Issues Solved section.

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