Examine source code of RSS Feed Finder

{
  "manifest_version": 3,
  "name": "RSS Feed Finder",
  "version": "1.0.1",
  "description": "Discover RSS and Atom feeds on any website",
  "author": "Seedo Media",
  "homepage_url": "https://seedo.media",
  "browser_specific_settings": {
    "gecko": {
      "id": "{84d4a157-0649-4df1-9399-1bfd9ae95990}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  }
}