Add Sitecore Codeless Schema Extensions Module 1.0

[Zephyr-Koo]

Description / Motivation

Extending initial commit from https://github.com/Sitecore/developer-portal/pull/808

• Updating download page with valid links for initial release.
• Remove Release_Notes.md for initial release (not required)

How Has This Been Tested?

Tested the combination of #808 and #813 on localhost:3000

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [X] Documentation update (non-breaking change; modified files are limited to the /data directory or other markdown files)

Checklist:

• [X] I have read the Contributing guide.
• [X] My code/comments/docs fully adhere to the Code of Conduct.
• [ ] My change is a code change.
• [X] My change is a documentation change and there are NO other updates required.
• [ ] My change has new or updated images which are stored in the /public/images folder that need to be migrated to Sitecore DAM

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Name	Status	Preview	Comments	Updated (UTC)
developer-portal	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 5, 2024 0:35am

[sc-marcusheath]

@Zephyr-Koo In the Client Translations section please replace the four outdated instructions links. Change from:

• From: https://dev.sitecore.net/Downloads/Sitecore_Experience_Platform/90/~/link.aspx?_id=D72CBF8CE581436CBBCAEE896C8646F7
• To: https://developers.sitecore.com/downloads/Sitecore_Experience_Platform/Client_Translations_Manual Otherwise, this is good to release thanks.

Note: I had same issue as you... unable to contribute to your PR 813. And I cannot figure out how I can invite you to edit my PR 808.

[sc-marcusheath]

Thank you @Zephyr-Koo.

@DevRel team: please proceed with publishing this new module to Main. Thanks!

[sc-marcusheath]

Tested "updated user guide link to point to latest" in Vercel preview. This PR and new module is ready to release to Main. Thank you!