Reuse and utilize existing work.

My I point to https://protobuf.dev/getting-started/cpptutorial/ ?
In short: Protocol buffers are an automated solution to prepare data for efficient transfer.

Read the linked Protocol Buffers C++ tutorial and inspect the repository for its existing documentation entry points. The issue does not name a target file or specify whether to add a link or replace existing material, so maintainer clarification is needed before work can be considered complete.

Written by the indexing model from the issue text.