Examine source code of Puzzle Studio - Word Games and Puzzle Studio

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "version": "1.2.0",
  "name": "Puzzle Studio - Word Games and Puzzle Studio",
  "description": "Create high quality puzzles and word games and export as PDF pages or KDP Book",
  "short_name": "Puzzle Studio",
  "permissions": [
    "activeTab",
    "storage",
    "scripting",
    "tabs",
    "unlimitedStorage"
  ],
  "action": {
    "default_popup": "pages/popup/index.html",
    "default_title": "WordGame Pro"
  },
  "icons": {
    "16": "assets/icons/icon16.png",
    "32": "assets/icons/icon32.png",
    "48": "assets/icons/icon48.png",
    "128": "assets/icons/icon128.png"
  },
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "assets/css/*.css",
        "assets/js/freemius.js",
        "assets/js/jquery-1.12.4.min.js",
        "assets/logo.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "options_page": "pages/options/index.html"
}