[Edit] Deliverables: Add Types and Conditions

[AnamolR]

Description

This PR updates the existing Deliverables entry in the uiux/concepts/ section to include two new sections: Types of UX Deliverables and When Deliverables Are Created.

The update adds content to outline common UX deliverables such as personas, prototypes, and journey maps and explains the design phases in which these deliverables typically occur. This enhancement brings more clarity to the evolving nature and timing of UX documentation in practice.

Issues Solved

Closes #6596

Type of Change

Editing an existing entry (fixing a typo, bug, issues, etc)

Checklist

• All writings are my own.
• My edits follow 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 the updated content 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.

[AnamolR]

Hi @Sriparno08 could you check this PR please?

[mamtawardhani]

Looks good for a second round of review! 🚀

[dakshdeepHERE]

Looks good to merge 🚀

[github-actions]

👋 @AnamolR
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