[Concept Entry] C++ Count Function unordered_map

[codecademy-docs]

Reason/inspiration (optional)

We would like a new entry on the count() term under C++ Unordered Map. The entry should go in a new file under docs/content/cpp/concepts/unordered-map/terms/count/count.md.

The entry should include:

• An introduction to the concept
• A Syntax section that provides the syntax for the concept
• An Example section that provides an example demonstrating the concept in use
• A Codebyte Example section that provides a codebyte example demonstrating the concept in use

Please refer to the term entry template, content standards and markdown style guide when working on the PR for this issue.

Entry Type (select all that apply)

New Concept Entrty for Existing Topic

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[RashmitTopG]

I would like to work on this

[mamtawardhani]

Hey @RashmitTopG you are already working on three issues, once they are done, you can take more issues.

[RashmitTopG]

@mamtawardhani can you please review my PR on other issues they are pending for review.

[mamtawardhani]

Hey @RashmitTopG since your PR is merged now, you’re assigned 🎉 In addition to the documents linked in the description, please also look at the Contribution Guide. After creating a PR, the maintainer(s) (with the collaborator label) will add comments/suggestions to address any revisions before approval.