Examine source code of Simple Reverso Translate

{
  "manifest_version": 3,
  "name": "Simple Reverso Translate",
  "version": "1.1.2",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "simple-reverso-translate@your-addon-id",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "menus",
    "menus.overrideContext",
    "storage",
    "activeTab",
    "tabs"
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/icon-16.png",
        "icons/icon-32.png",
        "icon.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}