docs: initial import of CorePHP documentation
173 markdown files covering:
- Framework architecture (lifecycle events, module system, multi-tenancy)
- Package docs (admin, api, mcp, tenant, commerce, content, developer)
- CLI reference (dev, build, go, php, deploy commands)
- Patterns (actions, repositories, seeders, services, HLCRF)
- Deployment (Docker, PHP, LinuxKit, templates)
- Publishing (Homebrew, AUR, npm, Docker, Scoop, Chocolatey)
Source: core-php/docs (core.help content)
Co-Authored-By: Virgil <virgil@lethean.io>
85bbb8e828