Google Meet ⇔ Slack integration (Glack)

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Google Meet ⇔ Slack integration (Glack)",
  "version": "2.0.2",
  "manifest_version": 3,
  "description": "Real-time Google Meet status on Slack, just like Slack huddles.",
  "action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "128": "icon.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "run_at": "document_end",
      "matches": [
        "https://meet.google.com/*"
      ],
      "exclude_matches": [
        "https://meet.google.com/"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://meet.google.com/*",
    "https://slack.com/*",
    "https://www.gstatic.com/*"
  ],
  "background": {
    "service_worker": "background.js"
  }
}