showing timestamps on chats

lib/pages/chat_page.dart

@@ -135,12 +135,22 @@ class _ChatPageState extends State<ChatPage> {
     var alignment =
         isCurrentUser ? Alignment.centerRight : Alignment.centerLeft;
 
+    List<String> msgDate =
+        (data['timestamp'] as Timestamp).toDate().toIso8601String().split("T");
+
     return Container(
       alignment: alignment,
       child: Column(
         crossAxisAlignment:
             isCurrentUser ? CrossAxisAlignment.end : CrossAxisAlignment.start,
         children: [
+          Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 25.0),
+            child: Text(
+              "${msgDate[0]} ${msgDate[1].substring(0, 8)}",
+              style: TextStyle(color: Colors.grey.shade600),
+            ),
+          ),
           ChatBubble(
             message: data["message"],
             isCurrentUser: isCurrentUser,