Examine source code of quotation Extension

{
  "manifest_version": 2,
  "name": "Quote Extension",
  "version": "1.0",
  "description": "Displays quotes about hard work and passive income.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon.png"
    }
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2439bb85-057c-4991-9a6a-16625068f14e}"
    }
  }
}