Collect docs for C++ package managers (vcpkg, Conan)

[henry0816191]

Summary

Scrape and collect documentation for C++ package managers listed in the investigation. Doc sources need to be identified.

Tools & known sources

• vcpkg: official docs
• Conan: official docs

Acceptance criteria

• Doc sources identified for vcpkg and Conan.
• Documentation scraped/collected for each package manager.
• Output format and storage location agreed and documented.