Examine source code of Cookie Dialog Monster

{
  "manifest_version": 2,
  "name": "Cookie Dialog Monster",
  "version": "5.5.5",
  "default_locale": "en",
  "description": "__MSG_appDesc__",
  "icons": {
    "16": "assets/icons/16.png",
    "48": "assets/icons/48.png",
    "128": "assets/icons/128.png"
  },
  "browser_action": {
    "default_icon": "assets/icons/disabled.png",
    "default_title": "Cookie Dialog Monster"
  },
  "author": "wanhose",
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "content_scripts": [
    {
      "exclude_matches": [
        "*://*.gfycat.com/*",
        "*://*.gmx.com/*",
        "*://*.mediathekviewweb.de/*",
        "*://*.rundschau-online.de/*",
        "*://*.youtube.com/embed/*"
      ],
      "js": [
        "scripts/content.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "contextMenus",
    "http://*/*",
    "https://*/*",
    "storage",
    "tabs"
  ],
  "web_accessible_resources": [
    "assets/fonts/*",
    "scripts/popup.js",
    "styles/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{349191c7-d604-43bf-b14a-5fe2a4a96480}"
    }
  }
}