Examine source code of Nexily Stack

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "default_locale": "en",
  "name": "Nexily Stack",
  "short_name": "NexilyStack",
  "version": "2.0.0",
  "description": "Technology intelligence for every website — détectez la stack de n'importe quel site en un clic.",
  "permissions": [
    "activeTab",
    "storage",
    "tabs",
    "webRequest",
    "scripting",
    "downloads"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "service_worker": "src/background/sw.js",
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "src/content/content.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "action": {
    "default_popup": "src/popup/popup.html",
    "default_title": "Nexily Stack",
    "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": [
    {
      "resources": [
        "data/technologies.json"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}