Examine source code of HN Lists

{
  "name": "HN Lists",
  "short_name": "hnlists",
  "description": "adds navbar links to pages from news.ycombinator.com/lists",
  "version": "0.0.8",
  "author": "Ant Cosentino",
  "homepage_url": "https://github.com/skibz/hnlists",
  "content_scripts": [
    {
      "matches": [
        "https://news.ycombinator.com/*"
      ],
      "js": [
        "hnlists.js"
      ]
    }
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "manifest_version": 2
}