Examine source code of k8betno1

{
  "manifest_version": 2,
  "name": "wiktionary filter",
  "version": "1.0",
  "content_scripts": [
    {
      "matches": [
        "*://*.wiktionary.org/*"
      ],
      "js": [
        "filter.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icons/beasts-32.png",
    "default_title": "Filter Wiktionary",
    "default_popup": "popup/filter.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ae8cdd03-2ecf-492a-9e24-9cb503d60765}"
    }
  }
}