Create test_doc.md

[codecademy-docs]

Description

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.
• Under "Development" on the right, I have linked any issues that are relevant to this PR (write "Closes # in the "Description" above).

[github-actions]

The ai response:

1. This markdown file uses an h1 header.
2. The h1 header is not written in Title Case.
3. The h1 header exceeds 5 words.
4. The h1 header includes ending punctuation.
5. The data for Title and Description does not appear as single-quoted strings on the same line.
6. Not all metadata fields are present at the top of the file.