create initial frontend.

static/js/chat.js

@@ -0,0 +1,43 @@
+let ws = null;
+const messagesDiv = document.getElementById('messages');
+const messageInput = document.getElementById('messageInput');
+const roomInput = document.getElementById('roomInput');
+
+function connectRoom() {
+    const room = roomInput.value || 'general';
+    const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
+    ws = new WebSocket(`${protocol}//localhost:8080/ws/${room}`);
+
+    ws.onopen = function() {
+        console.log('Connected to room: ' + room);
+        messagesDiv.innerHTML = '<div class="message">✅ Connected to ' + room + '</div>';
+    };
+
+    ws.onmessage = function(event) {
+        const msgDiv = document.createElement('div');
+        msgDiv.className = 'message';
+        msgDiv.textContent = event.data;
+        messagesDiv.appendChild(msgDiv);
+        messagesDiv.scrollTop = messagesDiv.scrollHeight;
+    };
+
+    ws.onerror = function(error) {
+        console.error('WebSocket error:', error);
+        messagesDiv.innerHTML += '<div class="message">❌ Error: ' + error + '</div>';
+    };
+
+    ws.onclose = function() {
+        messagesDiv.innerHTML += '<div class="meassage">⛔ Disconnected</div>';
+    };
+}
+
+function sendMessage() {
+    const text = messageInput.value.trim();
+    if (!text || !ws || ws.readyState !== WebSocket.OPEN) {
+        alert('Not connected or empty message');
+        return;
+    }
+    
+    ws.send(JSON.stringify({text: text}));
+    messageInput.value = '';
+}