PluginTool createEmptyTool() {
		PluginTool tool = new GhidraTool(project, "Untitled");
		addNewTool(tool, "Untitled");
		return tool;
	}
Generate an instance name in the form
of a one-up number.
Ghidra/Framework/Project/src/main/java/ghidra/framework/project/tool/ToolManagerImpl.java