Custom caption position [request for feature]

[karpix25]

Is it possible to add custom caption position?

like : x= y=

[HarrisonFisher]

@karpix25 we have this option currently

"position": {
                "type": "string",
                "enum": [
                    "bottom_left", "bottom_center", "bottom_right",
                    "middle_left", "middle_center", "middle_right",
                    "top_left", "top_center", "top_right"
                ]
            },