docs: URL params guide for NTP

[vkraucunas]

Asana Task/Github Issue:

Description

Adding more robust URL Params guide for the New Tab Page. As the NTP grew, and as we start to step away from it, it seems prudent to add full documentation so these options aren’t lost to time.

Testing Steps

N/A, just check the diff.

Checklist

Please tick all that apply:

• I have tested this change locally
• I have tested this change locally in all supported browsers
• This change will be visible to users
• I have added automated tests that cover this change
• I have ensured the change is gated by config
• This change was covered by a ship review
• This change was covered by a tech design
• Any dependent config has been merged

[netlify]

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[github-actions]

Temporary Branch Update

The temporary branch has been updated with the latest changes. Below are the details:

• Branch Name: pr-releases/pr-1669
• Commit Hash: d605e7f8a2eef892be1c28757eed8598c2d04c3e
• Last Updated: May 6, 2025 at 12:55:14 AM UTC
• Install Command: npm i github:duckduckgo/content-scope-scripts#d605e7f8a2eef892be1c28757eed8598c2d04c3e

Please use the above install command to update to the latest version.

[github-actions]

[Beta] Generated file diff

Time updated: Tue, 06 May 2025 00:55:31 GMT