Configure the /manifest.json path for SPA and SSR

Author: whitphx

gradio/routes.py

@@ -371,6 +371,7 @@ async def conditional_routing_middleware(
                     and not path.startswith("/static")
                     and not path.startswith("/login")
                     and not path.startswith("/logout")
+                    and not path.startswith("/manifest.json")
                 ):
                     if App.app_port is None:
                         App.app_port = request.url.port or int(

js/spa/index.html

@@ -80,6 +80,8 @@
 			src="https://cdnjs.cloudflare.com/ajax/libs/iframe-resizer/4.3.1/iframeResizer.contentWindow.min.js"
 			async
 		></script>
+
+		<link rel="manifest" href="/manifest.json" />
 	</head>
 
 	<body