Examine source code of Amazon Search Plus

{
  "manifest_version": 3,
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "version": "1.0.39",
  "default_locale": "it",
  "icons": {
    "32": "icon_32.png",
    "48": "icon_48.png",
    "64": "icon_64.png",
    "128": "icon_128.png"
  },
  "action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_title": "__MSG_appName__"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "storage",
    "contextMenus",
    "tabs"
  ],
  "host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4abf8906-6152-4196-a726-9d17aa166194}",
      "strict_min_version": "109.0"
    }
  }
}