[Feature Request]: Add example of session deduplication

[beautyfree]

Preflight Checklist

• [x] I have searched the issue tracker for a feature request that matches the one I want to file, without success.

What package is this feature request for?

rrweb

Problem Description

I found in docs mention of deduplication, but there is not any details how it could be implemented

Proposed Solution

Add example of session deduplication

Alternatives Considered

Additional Information

No response