Add doc for new tutorial series to help beginners

[rossmc]

Description

Add project-setup doc for new tutorial series to help beginners

Related Issue

Closes #2023.

Acceptance

Verification Stakeholders

@jcalcaben

Specification

Add Doc

Verification Steps

1. Review pwa-devdocs/_drafts/pwa-studio-fundamentals/project-set-up/index.md file

Screenshots / Screen Captures (if appropriate)

Checklist

• I have updated the documentation accordingly, if necessary.
• I have added tests to cover my changes, if necessary.

[PWAStudioBot]

	Fails
🚫	Issue 2023 is closed. Please make sure the linked issue is correct and open.
🚫	A version label is required. A maintainer must add one.

	Messages
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[jcalcaben]

This is a great draft! There are some minor changes I'll need to make before publishing to the main site, but the overall content is fantastic. Thanks @rossmc