public static Configuration read(Path cfgFile) {
		return read(ResourceRef.forFile(cfgFile));
	}
Returns a Config containing all the settings from local config files merged
into one. This follows the system where settings that are "nearest" have
priority. The Config starts out with all the values from `defaults`, any
values read from files have priority.

@return a Configuration object
src/main/java/dev/jbang/Configuration.java