Examine source code of Tatoeba Lookup

{
  "manifest_version": 3,
  "name": "Tatoeba Lookup",
  "version": "1.0.21",
  "description": "Fetches definitions from Tatoeba Dictionary",
  "icons": {
    "48": "icon.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "https://tatoeba.org/"
  ],
  "action": {
    "default_icon": "icon.png",
    "default_popup": "popup/popup.html"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+Shift+T"
      }
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f9090a57-ca98-4d61-8402-f2bc3221214c}"
    }
  }
}