Examine source code of Share to Telegram App

{
  "manifest_version": 2,
  "name": "Share to Telegram App",
  "version": "10.0",
  "description": "Share url address to desktop Telegram application. You have to have installed desktop Telegram. This addon will open desktop Telegram after click to icon.",
  "icons": {
    "128": "icon.png"
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "permissions": [
    "tabs",
    "activeTab",
    "storage",
    "http://*/*",
    "https://*/*"
  ],
  "browser_action": {
    "default_title": "Share to Telegram",
    "default_icon": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dcd8b94f-ebdf-4293-886a-a9c3cf7dd678}"
    }
  }
}