add websocket_handler and time_response

Signed-off-by: kirill <kirill.milkin05@mail.ru>

demo/views/frontend.py

@@ -15,6 +15,8 @@ async def time_response(ws: WebSocketResponse, delay: int = 60):
             await asyncio.sleep(delay)
         except ConnectionResetError:
             await asyncio.sleep(delay)
+            
+            
 @template('index.html')
 async def index(request):
     return {}
@@ -24,6 +26,7 @@ async def index_2(request):
     return {}
 
 
+
 async def websocket_handler(request):
 	ws: WebSocketResponse = WebSocketResponse()
 	await ws.prepare(request)
@@ -43,6 +46,8 @@ async def websocket_handler(request):
 	print('websocket connection closed')
 	
 	return ws
+
+
 async def button_clicked(request):
 	data = await request.post()
 	text = data.get('text')