Examine source code of ok365

{
  "manifest_version": 2,
  "name": "Simple Tab Opener",
  "version": "1.0",
  "description": "Addon mở trang web khi bấm vào icon.",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "tabs"
  ],
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "Mở website!"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{11013837-c6b0-4d08-a562-207b72e03b67}"
    }
  }
}