create an app sandbox config

curl --request POST \
  --url https://api.nuon.co/v1/apps/{app_id}/sandbox-config \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "aws_delegation_iam_role_arn": "<string>",
  "connected_github_vcs_config": {
    "branch": "<string>",
    "directory": "<string>",
    "gitRef": "<string>",
    "repo": "<string>"
  },
  "public_git_vcs_config": {
    "branch": "<string>",
    "directory": "<string>",
    "repo": "<string>"
  },
  "sandbox_inputs": {},
  "terraform_version": "<string>"
}'

{
  "app_id": "<string>",
  "artifacts": {
    "cloudformation_stack_template": "<string>",
    "deprovision_policy": "<string>",
    "provision_policy": "<string>",
    "trust_policy": "<string>"
  },
  "aws_delegation_config": {
    "app_sandbox_config_id": "<string>",
    "created_at": "<string>",
    "created_by_id": "<string>",
    "iam_role_arn": "<string>",
    "id": "<string>",
    "org_id": "<string>",
    "updated_at": "<string>"
  },
  "aws_region_type": "<string>",
  "cloud_platform": "<string>",
  "connected_github_vcs_config": {
    "branch": "<string>",
    "component_config_id": "<string>",
    "component_config_type": "<string>",
    "created_at": "<string>",
    "created_by_id": "<string>",
    "directory": "<string>",
    "id": "<string>",
    "repo": "<string>",
    "repo_name": "<string>",
    "repo_owner": "<string>",
    "updated_at": "<string>",
    "vcs_connection": {
      "created_at": "<string>",
      "created_by_id": "<string>",
      "github_install_id": "<string>",
      "id": "<string>",
      "updated_at": "<string>",
      "vcs_connection_commit": [
        {
          "author_email": "<string>",
          "author_name": "<string>",
          "component_config_connection_id": "<string>",
          "created_at": "<string>",
          "created_by_id": "<string>",
          "id": "<string>",
          "message": "<string>",
          "sha": "<string>",
          "updated_at": "<string>"
        }
      ]
    },
    "vcs_connection_id": "<string>"
  },
  "created_at": "<string>",
  "created_by_id": "<string>",
  "id": "<string>",
  "org_id": "<string>",
  "public_git_vcs_config": {
    "branch": "<string>",
    "component_config_id": "<string>",
    "component_config_type": "<string>",
    "created_at": "<string>",
    "created_by_id": "<string>",
    "directory": "<string>",
    "id": "<string>",
    "repo": "<string>",
    "updated_at": "<string>"
  },
  "terraform_version": "<string>",
  "updated_at": "<string>",
  "variables": {}
}