Add a new secret

curl --request POST \
  --url https://api.gcore.com/fastedge/v1/secrets \
  --header 'APIKey: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "<string>",
  "comment": "<string>",
  "secret_slots": [
    {
      "slot": 123,
      "value": "<string>"
    }
  ]
}'

{
  "name": "<string>",
  "comment": "<string>",
  "app_count": 123,
  "secret_slots": [
    {
      "slot": 123,
      "checksum": "<string>"
    }
  ],
  "id": 123
}