List keys

curl --request GET \
  --url https://ageneral.ai/v1/projects/{project_id}/keys \
  --header 'Authorization: Bearer <token>'

{
  "keys": [
    {
      "id": "<string>",
      "projectId": "<string>",
      "userId": "<string>",
      "name": "<string>",
      "keyId": "<string>",
      "keyValue": "<string>",
      "createdAt": "<string>"
    }
  ]
}