[ConfigFeature] config feature docs update

[dbajpeyi]

Asana Task/Github Issue:

Description

Update readme to describe ConfigFeature class + methods.

Testing Steps

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

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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-1647
• Commit Hash: 2f990332085818a9f2f42d76c05a38b3fb5f8621
• Last Updated: April 22, 2025 at 11:18:29 AM UTC
• Install Command: npm i github:duckduckgo/content-scope-scripts#2f990332085818a9f2f42d76c05a38b3fb5f8621

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

[github-actions]

[Beta] Generated file diff

Time updated: Tue, 22 Apr 2025 11:18:40 GMT

[jonathanKingston]

Looks great thanks for adding this!