List available stores

curl --request GET \
  --url https://api.gcore.com/fastedge/v1/kv \
  --header 'Authorization: <api-key>'

{
  "count": 123,
  "stores": [
    {
      "id": 123,
      "comment": "<string>",
      "updated": "2023-11-07T05:31:56Z"
    }
  ]
}