Add .get() term entry for C++ smart pointers with syntax, example #6871

[Sahil4883]

Description

Issue Solved

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.

[CLAassistant]

All committers have signed the CLA.

[mamtawardhani]

hey @Sahil4883 the entry looks nice. 😄

Can you please sign the CLA so that we can proceed further?

[Sahil4883]

@mamtawardhani I signed the CLA as said
Thank you for informing me about it.

[mamtawardhani]

Thank you for contributing to Codecademy Docs @Sahil4883 😄

The entry looks good for a second round of review! 🚀

[Sriparno08]

Hey @Sahil4883, the corresponding issue (#6867) is assigned to another author. So, I'm closing this one.

From the next time, please get assigned to an issue first before making a PR on it.