feat: redirect-chains audit

[mikeweis]

• added support when a site has been onboarded with a subpath
• the created opportunity data object will now remember the auditScopeUrl used to filter the site's Source URLs

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• make sure to link the related issues in this description
• when merging / squashing, make sure the fixed issue references are visible in the commits, for easy compilation of release notes
• If data sources for any opportunity has been updated/added, please update the wiki for same opportunity.

Related Issues

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