* [docs] Delete embedded documentation in favor of docs/
Drive-by for the helper ports:
1. "documentation": "https://vcpkg.io/en/docs/README.html"
2. "license": "MIT"
3. Use `include_guard(GLOBAL)` in all script files
4. Make sure any persistent variables are saved to the cache
* [docs] Restore empty regenerate.ps1 to satisfy Azure Pipelines
* [docs] PR comments
