If a file isn’t directly reference in editor it will be excludedin cooks / packaged builds. You need to add the directory to the Additonal Asset Directories to Cook array in the Project Settings -> Packaging menu under advanced
Useful tool to build and deploy the project to a specific device.
Advanced mode gives great control over config
Variant *NoEditor, Config Development and Data build ByTheBook is a good way to get in editor logging of the entire build process but also logs in realtime of what is happening in game.
