Examine source code of Quick Concept Linker

{
  "manifest_version": 2,
  "name": "Quick Concept Linker",
  "version": "1.3",
  "description": "Quickly create and visualize links between key concepts directly in your browser.",
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "32": "icons/logo_32.png",
      "64": "icons/logo_64.png",
      "128": "icons/logo_128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8509604a-3c62-4c59-8b44-a789f934d991}"
    }
  }
}