## Is your feature request related to a problem?

I want to run experiments on groups

## Describe the solution you'd like

Experiments support group target metrics, and the FF respects group selection.


## Describe alternatives you've considered

No groups :(

## Additional context



#### *Thank you* for your feature request – we love each and every one!

ee/clickhouse/views/experiments.py
feature_flag_key = serializers.CharField(source="get_feature_flag_key")
    created_by = UserBasicSerializer(read_only=True)
    class Meta:
        model = Experiment
        fields = [
            "id",
            "name",
            "description",
            "start_date",
            "end_date",
            "feature_flag_key",
            
            "feature_flag",
            "parameters",
            "secondary_metrics",
            "filters",
            "archived",
            "created_by",
            "created_at",
            "updated_at",
        ]
        read_only_fields = [
            "id",
            "created_by",
            "created_at",
            "updated_at",
            "feature_flag",
        ]
    def validate_parameters(self, value):