fix: add gender

apps/account/serializers/user.py

@@ -13,10 +13,15 @@ class UserProfileSerializer(serializers.ModelSerializer):
     avatar = FileFieldSerializer(required=False)
     password = serializers.CharField(write_only=True, required=False, validators=[validate_password])
     fullname = serializers.CharField(required=False)
+    gender = serializers.ChoiceField(
+        choices=User.GenderChoices.choices, 
+        required=False,  
+        help_text="Select the user's gender."  
+    )
     class Meta:
         model = User
-        fields = ['id', 'fullname', 'avatar', 'email', 'phone_number', 'password', 'info', 'skill', 'city']
-        read_only_fields = ['email', 'info']  
+        fields = ['id', 'fullname', 'avatar', 'email', 'phone_number', 'password', 'info', 'skill', 'city', 'birthdate', 'gender']
+        read_only_fields = ['email', 'info', 'skill']  
 
     # def validate_email(self, value):
     #     if User.objects.filter(email=value).exists():