Examine source code of LED Diode Symbol

{
  "manifest_version": 2,
  "name": "LED Diode Symbol",
  "version": "1.0",
  "description": "LED Diode is a type of semiconductor electronic component that emits light when an electric current passes through it in a certain direction.",
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_title": "Click me!"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{628c8e0a-aa9c-44c7-8c18-f5ece024a3e3}"
    }
  }
}