[Term Entry] Dart Iterable: New Concept Entry Iterable.md

[AlessioAltomonte]

Description

• Added the Iterable term file for Dart
• Closes #4245

Type of Change

• Adding a new entry

Checklist

• [x ] All writings are my own.
• [x] My entry follows the Codecademy Docs style guide.
• [x ] My changes generate no new warnings.
• [x ] I have performed a self-review of my own writing and code.
• [x ] I have checked my entry and corrected any misspellings.
• [x ] I have made corresponding changes to the documentation if needed.
• [x ] I have confirmed my changes are not being pushed from my forked main branch.
• [x ] I have confirmed that I'm pushing from a new branch named after the changes I'm making.
• [x ] Under "Development" on the right, I have linked any issues that are relevant to this PR (write "Closes # in the "Description" above).

[CLAassistant]

All committers have signed the CLA.

[Sriparno08]

Hey @AlessioAltomonte, please make the required changes so that we can review them and move on to the second round of review.

[ishg-153]

@AlessioAltomonte It's been 2 weeks. Are you still working on the changes?

[github-actions[bot]]

👋 @AlessioAltomonte You have contributed to Codecademy Docs, and we would like to know more about you and your experience. Please take a minute to fill out this four question survey to help us better understand Docs contributions and how we can improve the experience for you and our learners. Thank you for your help!

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