Examine source code of Morse Code Translator

{
  "manifest_version": 3,
  "name": "Morse Code Translator",
  "version": "3.0",
  "description": "Morse Code Translator extension powered by morsecode-translator.com helps to encode and decode morse code.",
  "icons": {
    "16": "16x16.png",
    "128": "128x128.png"
  },
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{daf44bf7-a45e-4450-979c-91cf07435c8d}"
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon.png",
      "48": "icon.png"
    }
  }
}