The name of the file the middleware will serve. If the HTMLGenerator service is available, it will be overridden by the service.
A list of regular expressions to match request paths that should be ignored by the middleware.
If true, FastHTML will get the list of all the routes controlled by the
application, and will use them to validate the incoming requests (in addition to the
ignore list): If a request URL doesn't match with any of the "controlled routes",
it will serve the HTML file.
The options to customize the behavior of the middleware.