Examine source code of Custom Hangout Emoticons

{
  "name": "Custom Hangout Emoticons",
  "version": "1.1.3.1resigned1",
  "manifest_version": 2,
  "description": "__MSG_description__",
  "options_ui": {
    "page": "config/options.html",
    "open_in_tab": true
  },
  "permissions": [
    "contextMenus",
    "storage"
  ],
  "icons": {
    "16": "images/hangui16.png",
    "48": "images/hangui48.png",
    "128": "images/hangui128.png"
  },
  "content_scripts": [
    {
      "run_at": "document_end",
      "matches": [
        "https://talkgadget.google.com/*",
        "https://hangouts.google.com/webchat/*"
      ],
      "js": [
        "jquery-3.3.1.min.js",
        "contentscript.js",
        "browserSpecific.js"
      ],
      "all_frames": true
    }
  ],
  "background": {
    "scripts": [
      "jquery-3.3.1.min.js",
      "background.js"
    ]
  },
  "web_accessible_resources": [
    "config/images/Panda.png",
    "config/images/Onion.png",
    "config/images/Memes.png",
    "config/images/Monkey.png",
    "config/images/Fox.png",
    "config/images/Rabbit.png",
    "config/images/Robot.png",
    "config/images/Others.png",
    "config/images/Mine.png",
    "images/hangui48.png"
  ],
  "applications": {
    "gecko": {
      "id": "jid1-Ik7rQrtNH4dWyg@jetpack"
    }
  },
  "minimum_chrome_version": "6.0.0.0",
  "default_locale": "en"
}