Retrieve a list of all categories
cURL
curl --request GET \ --url https://api.example.com/categories
[ { "id": "1", "name": "Electronics", "createdAt": "2024-01-15T10:30:00Z" }, { "id": "2", "name": "Clothing", "createdAt": "2024-01-16T14:20:00Z" } ]