protected BrowserRouterAssetServlet createServlet() {
        return new BrowserRouterAssetServlet(resourcePath,
                uriPath,
                indexFile,
                StandardCharsets.UTF_8,
                singlePagePrefix);
    }
A bundle for serving static asset files from the classpath.
stroom-app/src/main/java/stroom/app/BrowserRouterAssetsBundle.java