擴充套件專案定義

一些額外的屬性由 npm 網站解析，如 repository，bugs 或 homepage，並在資訊框中顯示此包

{
  "main": "server.js",  
  "repository" :  {
    "type": "git",
    "url": "git+https://github.com/<accountname>/<repositoryname>.git"
  },
  "bugs": {
    "url": "https://github.com/<accountname>/<repositoryname>/issues"
  },
  "homepage": "https://github.com/<accountname>/<repositoryname>#readme",
  "files": [
    "server.js", // source files
    "README.md", // additional files
    "lib" // folder with all included files
  ]
}