Examine source code of TableWizard

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "1.3",
  "description": "__MSG_extensionDescription__",
  "developer": {
    "name": "Galcedion",
    "url": "https://galcedion.de"
  },
  "icons": {
    "16": "icons/icon.svg"
  },
  "default_locale": "en",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "tablewizard.js",
        "tweditor.js"
      ]
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "permissions": [
    "menus",
    "activeTab",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "tablewizard@galcedion.de"
    }
  },
  "options_ui": {
    "page": "settings/options.html"
  }
}