Adds a new sub-project to an existing MoxPP workspace. Use when the developer wants to add a new executable, library, or utility project to the build system.
$npx -y skills add moxibyte/moxpp --skill moxpp-add-projectInstalls into the current project.
Run `npx skills use "https://github.com/moxibyte/moxpp" --skill "moxibyte/moxpp/moxpp-add-project"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/moxibyte/moxpp" that are relevant to the current task. Run `npx skills add "https://github.com/moxibyte/moxpp"` and select the relevant skills, then follow their instructions.