code: public function show() {
  
  		$response = new \Venus\lib\Response();
  
  		$response->setContent('<html><body><h1>Hello world!</h1></body></html>');
  		$response->setStatusCode(\Venus\lib\Response::HTTP_OK);
  		$response->headers->set('Content-Type', 'text/html');
  		$response->send();
  	}
docs: the main page
  
  @access public
  @return void