Examine source code of PostMagic APP

{
  "name": "MagicPost APP",
  "manifest_version": 2,
  "version": "0.1.1",
  "description": "Redirects your product to MagicPost APP",
  "permissions": [
    "<all_urls>",
    "tabs",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "MagicPostApp",
    "theme_icons": [
      {
        "light": "icons/icon16.png",
        "dark": "icons/icon16.png",
        "size": 16
      },
      {
        "light": "icons/icon32.png",
        "dark": "icons/icon32.png",
        "size": 32
      }
    ]
  }
}