Introduce Angular Chat Component with SSE integration for real-time updates.

frontend/proxy.conf.json

@@ -1,6 +1,6 @@
 {
   "/api": {
-    "target": "http://localhost:8080",
+    "target": "http://10.0.0.121:8080",
     "secure": false,
     "changeOrigin": true
   }