Examine source code of Google Translator

{
  "manifest_version": 2,
  "name": "Google Translator",
  "version": "0.0.1",
  "description": "Translate text and pages from within the context menu",
  "author": "TheNamlessGuy",
  "homepage_url": "https://github.com/TheNamlessGuy/google-translator",
  "developer": {
    "name": "TheNamlessGuy",
    "url": "https://github.com/TheNamlessGuy/google-translator"
  },
  "icons": {
    "16": "res/icons/plugin/16.png",
    "19": "res/icons/plugin/19.png",
    "32": "res/icons/plugin/32.png",
    "38": "res/icons/plugin/38.png",
    "48": "res/icons/plugin/48.png"
  },
  "permissions": [
    "<all_urls>",
    "menus",
    "storage",
    "unlimitedStorage",
    "bookmarks"
  ],
  "background": {
    "scripts": [
      "src/options/bookmark.js",
      "src/options/opts.js",
      "src/communication.js",
      "src/contextmenus.js",
      "src/languages.js",
      "src/background.js"
    ]
  },
  "options_ui": {
    "page": "src/options/page/index.html",
    "browser_style": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "google-translator@TheNamlessGuy.github.io"
    }
  }
}