List all connectors

{
  "data": [
    {
      "connectionConfig": "<string>",
      "customSchemas": true,
      "description": "<string>",
      "enabled": true,
      "hidden": true,
      "icon": "<string>",
      "id": "<string>",
      "name": "<string>",
      "sink": true,
      "source": true,
      "tableConfig": "<string>",
      "testing": true
    }
  ]
}