Create an instance

Example request

{
  "name": "my-instance",
  "plan": "small",
  "team": "team-one",
  "description": "Awesome description about an instance.",
  "parameters": {
    "flavors": "chocolate,milk",
    "ip": "169.254.254.100",
    "plan-override": "{\"image\": \"my.registry.test/nginx:v1.18.0\"}",
    "lb-name": "my-instance.custom.example.com"
  }
}