Get dev server configuration

{
  "devCommand": "npm run dev",
  "installCommand": "npm install",
  "timeout": 30,
  "envVars": {
    "RESEND_API_KEY": "re_123456789"
  },
  "ports": [
    {
      "externalPort": 443,
      "targetPort": 3000
    }
  ],
  "preset": {},
  "systemd": {},
  "users": [
    {
      "name": "string",
      "uid": 0,
      "gecos": "string",
      "groups": [
        "string"
      ],
      "home": "string",
      "shell": "string",
      "system": false
    }
  ],
  "groups": [
    {
      "name": "string",
      "gid": 0,
      "system": false
    }
  ],
  "additionalFiles": {
    "property1": {
      "content": "string",
      "encoding": "string"
    },
    "property2": {
      "content": "string",
      "encoding": "string"
    }
  },
  "webTerminal": true,
  "webVscode": true,
  "additionalRepositories": [
    {
      "repositoryId": "5aa3e9fa-2d0a-4c21-ad54-43217e2bc9c0",
      "path": "string"
    }
  ]
}