public DomainFolder getProjectRootFolder() {
		Project project = AppInfo.getActiveProject();
		ProjectData projectData = project.getProjectData();
		DomainFolder folder = projectData.getRootFolder();
		return folder;
	}
This method looks up the current project and returns
the root domain folder.
@return the root domain folder of the current project
Ghidra/Features/Base/src/main/java/ghidra/program/flatapi/FlatProgramAPI.java