Examine source code of Readwise

{
  "name": "Readwise",
  "version": "3.2.3",
  "manifest_version": 3,
  "content_security_policy": {
    "extension_pages": "script-src 'self'"
  },
  "description": "Use the Readwise Chrome Extension to sync your Kindle highlights and then review them daily.",
  "homepage_url": "https://readwise.io",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "default_locale": "en",
  "background": {
    "scripts": [
      "src/bg/index.js"
    ],
    "type": "module"
  },
  "action": {
    "default_icon": "icons/icon19.png",
    "default_title": "Readwise"
  },
  "permissions": [
    "notifications",
    "cookies",
    "storage",
    "alarms",
    "contextMenus",
    "tabs"
  ],
  "host_permissions": [
    "*://read.amazon.com/*",
    "*://*.readwise.io/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://read.amazon.com/*",
        "*://*.readwise.io/*"
      ],
      "css": [
        "src/inject/inject.css"
      ],
      "js": [
        "js/jquery/jquery.min.js",
        "js/js-cookie.js",
        "src/inject/inject.js"
      ],
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "src/inject/newLoadAllQuotes.js"
      ],
      "matches": [
        "*://read.amazon.com/*",
        "*://*.readwise.io/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{f7619bc3-ed22-44a3-83ad-e79a78416737}",
      "strict_min_version": "109.0"
    }
  }
}