feat(chat): bubbles

lib/features/chat/presentation/widgets/chat_bubble_widget.dart

@@ -0,0 +1,37 @@
+import 'package:flutter/material.dart';
+
+class ChatBubbleWidget extends StatelessWidget {
+  const ChatBubbleWidget({
+    super.key,
+    required this.text,
+    required this.isCurrentUser,
+  });
+
+  final String text;
+  final bool isCurrentUser;
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: EdgeInsets.fromLTRB(isCurrentUser ? 64 : 16, 4, isCurrentUser ? 16 : 64, 4),
+      child: Align(
+        alignment: isCurrentUser ? Alignment.centerRight : Alignment.centerLeft,
+        child: DecoratedBox(
+          decoration: BoxDecoration(
+            color: isCurrentUser ? Colors.blue : Colors.grey[300],
+            borderRadius: BorderRadius.circular(16),
+          ),
+          child: Padding(
+            padding: const EdgeInsets.all(12),
+            child: Text(
+              text,
+              style: TextStyle(
+                color: isCurrentUser ? Colors.white : Colors.black87,
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}