chat and theme work

lib/components/empty_chat_widget.dart

@@ -0,0 +1,36 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+class EmptyChatWidget extends ConsumerWidget {
+  const EmptyChatWidget({super.key});
+
+  @override
+  // ignore: prefer_expression_function_bodies
+  Widget build(BuildContext context, WidgetRef ref) {
+    //
+
+    return Container(
+      width: double.infinity,
+      height: double.infinity,
+      decoration: BoxDecoration(
+        color: Theme.of(context).scaffoldBackgroundColor,
+      ),
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Icon(
+            Icons.chat,
+            color: Theme.of(context).disabledColor,
+            size: 48,
+          ),
+          Text(
+            'Say Something',
+            style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                  color: Theme.of(context).disabledColor,
+                ),
+          ),
+        ],
+      ),
+    );
+  }
+}