Meet Cost Tracker, a calculator for GCalendar

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Meet Cost Tracker, a calculator for GCalendar",
  "version": "1.4.0",
  "description": "With MeetCostTracker, calculate the total cost of a meeting based on the hourly rate of its participants.",
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "128": "images/128.png"
    }
  },
  "background": {
    "service_worker": "background.js"
  },
  "icons": {
    "128": "images/128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://calendar.google.com/*"
      ],
      "js": [
        "scripts/content-scripts.js"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "activeTab",
    "storage"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self';",
    "sandbox": "sandbox allow-scripts allow-forms allow-popups allow-modals; script-src 'self' 'unsafe-inline' 'unsafe-eval'; child-src 'self';"
  },
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApeSQMEzzIiZF7ndr454nL3kL/M2lEyJVklWwQuUZKEuW6L+Oruu9zXJ6k4oPut4jywFixvneTm8ZXN45b6FRPgINeZpYMNcN8TX1B3kCpRKMhYKWXe1nxrguDTsZjRB+pkANVY6mCVLDFNoYGdjeJXHBsCWz+rumJkEjvdxWewCGWYSv+a2o4j7Eok2bpypvVLJitd1wMDbj4XewbJnDJ7Byk7WRvFfexGYInyGcp231uHZ8uI4E1RmFBiJTvMN+Xe6HpT/7kP49yt8cXPrOBOnc/LOwFo/AgIMCqkVZPr8mqwCebWpbjsW5NZ3ChrlQkE/IE8qgf2T7Qj4CicBcpwIDAQAB"
}