Examine source code of Cryptomonnaie

{
  "name": "Cryptomonnai€",
  "description": "Le site des cours des cryptomonnaies !",
  "version": "1.0",
  "manifest_version": 2,
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "/images/icon_16.png",
      "32": "/images/icon_32.png",
      "48": "/images/icon_48.png",
      "128": "/images/icon_128.png"
    }
  },
  "icons": {
    "16": "/images/icon_16.png",
    "32": "/images/icon_32.png",
    "48": "/images/icon_48.png",
    "128": "/images/icon_128.png"
  },
  "options_page": "options.html"
}