Examine source code of Bear Web Clipper

{
  "name": "__MSG_extName__",
  "version": "2.1",
  "manifest_version": 3,
  "description": "__MSG_extDesc__",
  "default_locale": "en",
  "action": {
    "default_icon": {
      "19": "icon.png",
      "38": "icon@2x.png"
    },
    "default_title": "__MSG_extTitle__"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "contextMenus"
  ],
  "optional_host_permissions": [
    "*://*/*"
  ],
  "background": {
    "scripts": [
      "loader.js"
    ],
    "type": "module"
  },
  "icons": {
    "48": "icon-48.png",
    "96": "icon-96.png",
    "128": "Icon-128.png"
  },
  "options_ui": {
    "page": "options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f7a79864-c929-4350-b83e-f8be7ebb1102}"
    }
  }
}