Examine source code of Qwiki

{
  "name": "qwiki",
  "description": "Read wikipedia snippets when browsing the web",
  "version": "0.4resigned1",
  "permissions": [
    "storage",
    "tabs",
    "bookmarks",
    "https://*.wikipedia.org/"
  ],
  "web_accessible_resources": [
    "*.*",
    "wikidata/*.*",
    "fonts/*.*",
    "img/*.*"
  ],
  "content_scripts": [
    {
      "all_frames": true,
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/content.js"
      ],
      "css": [
        "css/bubble.css"
      ],
      "run_at": "document_end"
    }
  ],
  "chrome_url_overrides": {
    "newtab": "html/newtab.html"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_icon": {
      "19": "img/icon19.png",
      "38": "img/icon38.png"
    },
    "default_title": "Qwiki",
    "default_popup": "html/chrome_options_popup.html"
  },
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{36ddb27e-b7f0-4fca-b05a-ab8f9fe1460e}"
    }
  }
}