Examine source code of Notion Highlights

{
  "manifest_version": 2,
  "name": "Notion Highlights",
  "version": "1.4.2",
  "description": "Save web highlights to Notion instantly. Detects open Notion pages. Zero friction! 🔥",
  "permissions": [
    "activeTab",
    "storage",
    "contextMenus",
    "tabs",
    "notifications",
    "clipboardWrite",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "browser-polyfill.min.js",
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "exclude_matches": [
        "https://chrome.google.com/webstore/*",
        "https://*.google.com/webstore/*",
        "https://accounts.google.com/*"
      ],
      "js": [
        "browser-polyfill.min.js",
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "notionhighlights@primalcam",
      "strict_min_version": "102.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_title": "Notion Highlights",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    "icons/*.png",
    "styles.css",
    "content.css",
    "overlay/*",
    "assets/*",
    "popup/auth.html",
    "popup/auth.js",
    "popup/auth.css",
    "popup/oauth-callback.html"
  ]
}