public static FSBIcons getInstance() {
		return Singleton.INSTANCE;
	}
Static list of Icons for the file system browser plugin and its child windows.
<p>
The {@link #getInstance() singleton instance} provides {@link Icon}s that represent the type 
and status of a file, based on a filename mapping and caller specified status overlays.
<p>
Thread safe
Ghidra/Features/Base/src/main/java/ghidra/plugins/fsbrowser/FSBIcons.java