Examine source code of Text Extractor

{
  "manifest_version": 3,
  "name": "Text Extractor",
  "version": "1.0",
  "description": "Extracts text from '.formulation.clearfix' elements",
  "key": "ZAy5u5C/CbygOcHW5i/OurD3tBdT19bhUjUpV/wgHdw=",
  "action": {
    "default_popup": "popup.html",
    "default_icon": "logo.jpeg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "text-extractor@yourdomain.com",
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "icons": {
    "48": "logo.jpeg",
    "128": "logo.jpeg"
  }
}