wip tests of socket

tests_hugo/chat_nest/chat_client/chat.html

@@ -45,6 +45,9 @@
 		<script src="https://cdn.socket.io/4.5.3/socket.io.min.js" integrity="sha384-WPFUvHkB1aHA5TDSZi6xtDgkF0wXJcIIxXhC6h8OT8EH3fC5PWro5pWJ1THjcfEi" crossorigin="anonymous"></script>
 		<script>
 			const socket = io("http://localhost:3000");
+			socket.on("connect", () => {
+				console.log("client: connection");
+			});
 		</script>
 
 		<script src="./chat_submit_msg.js"></script>

tests_hugo/chat_nest/chat_client/chat_receive_msg.js

@@ -18,4 +18,3 @@ const build_new_message = (message) => {
 	return p;
 }
 
-

tests_hugo/chat_nest/chat_client/chat_submit_msg.js

@@ -1,5 +1,4 @@
 
-
 const submit_new_message = () => {
 	const div_msg = document.getElementById('msg_write');
 	/*