Add a guide which highlights how to handle action's outputs by writing
them to the client filesystem and using CUE's integrations to marshal
them as JSON.
Signed-off-by: Marcos Lilljedahl <marcosnils@gmail.com>
Also adding a CONTRIBUTING.md file for GitHub links and easier discovery for someone browsing the repository’s files.
Signed-off-by: Helder Correia <174525+helderco@users.noreply.github.com>