Examine source code of Chronify

{
  "manifest_version": 3,
  "name": "Chronify",
  "version": "0.1",
  "description": "Your personal AI assistant. Scheduling management add-on (beta)",
  "content_scripts": [
    {
      "matches": [
        "*://calendar.google.com/*"
      ],
      "js": [
        "content_script.js"
      ]
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "48": "pic.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "support@chronify.app"
    }
  }
}