Get meta for table handler – Django REST framework

Sends out all the necessary config for the front-end table. The
config can vary based on user permission and preference.

GET /administration/therapy/list/table-meta/?format=api

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "data": {
        "columns": {
            "identity": "Therapy Name",
            "basic_price_inr": "Basic Price (INR)",
            "advanced_price_inr": "Advanced Price (INR)",
            "expertise_price_inr": "Expertise Price (INR)",
            "status": "Status"
        }
    },
    "status": "success",
    "action_code": "DO_NOTHING"
}