[Entry] C++ unordered map: key_eq() #7146

[saumyapandey1998]

Added Entry for key_eq() with syntax and examples as required.

Description

Added an entry for key_eq() function.

Issue Solved

Closes #7146

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.

[saumyapandey1998]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

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[mamtawardhani]

Hey @saumyapandey1998 the issue is happening because you've raised a PR from your GitHub account, but the commits have been made from your local id. So either sign the CLA from the local id also, otherwise close this and raise a new pr

[saumyapandey1998]

Hey @saumyapandey1998 the issue is happening because you've raised a PR from your GitHub account, but the commits have been made from your local id. So either sign the CLA from the local id also, otherwise close this and raise a new pr

Thank you for the guidance @mamtawardhani ! I have fixed the mismatch

[mamtawardhani]

Perfect @saumyapandey1998, we'll review it soon. Thanks

[mamtawardhani]

Looks good for a second review! 🚀