Examine source code of Habr comments filter

{
  "manifest_version": 2,
  "name": "Habr comments highlight",
  "description": "Подсвечиваем комментарии habr.com по оценке",
  "version": "0.5",
  "icons": {
    "48": "icon_48.png",
    "96": "icon_96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://habr.com/*",
        "https://m.habr.com/*"
      ],
      "js": [
        "js/vendor.js",
        "js/content_script.js"
      ],
      "css": [
        "css/style.css"
      ]
    }
  ],
  "permissions": [
    "https://habr.com/*",
    "https://m.habr.com/*"
  ]
}