code: public static void addResourceFinder(final WebApplication application,
  		final String resourcePath)
  	{
  		application.getResourceSettings().getResourceFinders()
  			.add(new WebApplicationPath(application.getServletContext(), resourcePath));
  	}
docs: Adds the given resourcePath to the resource finder from the given application.
  
  @param application
  the application
  @param resourcePath
  the resource path
  @see org.apache.wicket.settings.ResourceSettings#getResourceFinders()