added created field to comments serializer

apps/establishment/serializers.py

@@ -1,5 +1,6 @@
 """Establishment serializers."""
 from rest_framework import serializers
+
 from establishment import models
 from location.serializers import AddressSerializer
 from main.serializers import MetaDataContentSerializer, AwardSerializer
@@ -80,16 +81,17 @@ class ReviewSerializer(serializers.ModelSerializer):
 class CommentSerializer(serializers.ModelSerializer):
     """Comment serializer"""
     nickname = serializers.CharField(source='author.username')
-    image = serializers.ImageField(source='author.image')
+    profile_pic = serializers.ImageField(source='author.image')
 
     class Meta:
         """Serializer for model Comment"""
         model = models.Comment
         fields = (
+            'created',
             'text',
             'mark',
             'nickname',
-            'image'
+            'profile_pic'
         )