feat: Support Naming Variants in Page Experiments Based on V2 Engine

[FentPams]

Description:

This PR adds a new feature to the V2 engine that allows for naming variants in page experiments by adding metadata in the format | variant name | foo1, foo2 |. The variant names provided in the page metadata will be automatically matched with the corresponding variants.

Key Points:

• The number of names provided does not need to match the number of variants.
• If no names are provided, default names (control, challenger-1, challenger-2, etc.) will be used.
• If fewer names are provided than the number of variants, the unnamed variants will be automatically named as challenger-[x] (where [x] is the variant index).
• If more names are provided than the number of variants, the extra names will be ignored.

Demo:

Test URLs:

• Before: https://main--wknd--hlxsites.hlx.page/drafts/vname/page
• After: https://variant-name--wknd--hlxsites.hlx.page/drafts/vname/page

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Commits

• 0812b7a ✅ (latest)
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[aem-code-sync]

Page	Scores	Audits	Google
/drafts/vname/page