Examine source code of Vocab Explorer

{
  "manifest_version": 2,
  "name": "Vocab Explorer",
  "version": "0.0.8",
  "description": "Facilitates Learning of new languages by providing ability to hilight text and lookup words.",
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "permissions": [
    "<all_urls>",
    "activeTab",
    "tabs",
    "storage",
    "webRequest",
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "background_scripts/hilight_storage.js ",
      "background_scripts/dict_storage.js",
      "background_scripts/activation.js",
      "background_scripts/listener.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content_scripts/util.js",
        "content_scripts/delete_highlights.js",
        "content_scripts/do_highlights.js",
        "content_scripts/load_quiz.js",
        "content_scripts/recover_highlights.js",
        "content_scripts/main.js"
      ],
      "css": [
        "cross-page-assets/highlight_style.css",
        "cross-page-assets/vocab_quiz.css"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icons/icon.svg",
    "default_title": "Vocab Explorer",
    "default_popup": "web_pages/popup.html"
  }
}