Get features

curl --request GET \
  --url http://local.suborbital.network/:{port}/api/v1/features

{
  "features": [
    "testing",
    "stream_builds"
  ],
  "languages": [
    {
      "identifier": "tinygo",
      "short": "go",
      "pretty": "TinyGo"
    }
  ]
}