private void installFrontEndPlugin() {
		plugin = new FrontEndPlugin(this);
		plugin.setProjectManager(getProjectManager());
		try {
			addPlugin(plugin);
		}
		catch (PluginException e) {
			// should not happen
			Msg.showError(this, getToolFrame(), "Can't Create Project Window", e.getMessage(), e);
		}
		compProvider = plugin.getFrontEndProvider();

		showComponentHeader(compProvider, false);
	}
Add those plugins that implement the ApplicationLevelPlugin interface and have a
RELEASED status and not example category.
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/FrontEndTool.java