[copperspice] Add new port

[BA7LYA]

Fixes #37511

• [ ] Changes comply with the maintainer guide.
• [x] The name of the port matches an existing name for this component on https://repology.org/ if possible, and/or is strongly associated with that component on search engines.
• [ ] Optional dependencies are resolved in exactly one way. For example, if the component is built with CMake, all find_package calls are REQUIRED, are satisfied by vcpkg.json's declared dependencies, or disabled with CMAKE_DISABLE_FIND_PACKAGE_Xxx.
• [x] The versioning scheme in vcpkg.json matches what upstream says.
• [x] The license declaration in vcpkg.json matches what upstream says.
• [x] The installed as the "copyright" file matches what upstream says.
• [x] The source code of the component installed comes from an authoritative source.
• [ ] The generated "usage text" is accurate. See adding-usage for context.
• [ ] The version database is fixed by rerunning ./vcpkg x-add-version --all and committing the result.
• [x] Only one version is in the new port's versions file.
• [ ] Only one version is added to each modified port's versions file.

[BA7LYA]

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[dg0yt]

• Use vcpkg format-manifest ports/copperspice/vcpkg.json.
• Use vcpkg x-add-version --overwrite-version copperspice.
• Please ensure newline (empty line) at the end of files.

[LilyWangLL]

Pinging @BA7LYA for response. Is work still being done for this PR?

[BA7LYA]

Pinging @BA7LYA for response. Is work still being done for this PR?

On the way, but may be later.