StaticAssetsPostRendererResource
A PostRendererResource that copies the contents of a public/ directory, located at the project's root (parentDirectory), directly into the output root.
This allows users to ship static files (e.g. robots.txt, CNAME, favicon.ico) alongside the rendered document without any processing. The files land at the top level of the output resources.
If the public/ directory does not exist, no resources are emitted.
Parameters
parentDirectory
the project's working directory in which to look for a public/ subdirectory