List all available indices

curl --request GET \
  --url https://api.pixxel.space/v0/indices \
  --header 'Authorization: <api-key>'

{
  "indices": [
    {
      "bands": [
        "<string>"
      ],
      "colormap": "<string>",
      "created_at": "<string>",
      "description": "<string>",
      "expression": "<string>",
      "expression_type": "composite",
      "id": "<string>",
      "name": "<string>",
      "org_id": "<string>",
      "rescale": [
        123
      ],
      "satellite_id": "<string>",
      "type": "custom",
      "updated_at": "<string>",
      "user_id": "<string>"
    }
  ],
  "pagination": {
    "total": 100,
    "offset": 0,
    "limit": 10
  }
}