Add WebSocket Fix History Report

[google-labs-jules]

This PR adds a Markdown report detailing the WebSocket communication fix history from 2023. It confirms that the migration to Apollo Client and graphql-ws was the key solution and identifies relevant commits and branches (e.g., feature/issue54/user-bingolist-websocket). It also includes a security note regarding the usage of admin secrets in the client-side code found in the history.

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PR created automatically by Jules for task 17335976060147447608 started by @TkymHrt

[google-labs-jules]

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