Examine source code of Fypii

{
  "description": "Fypii - Moteur de solutions et d'annonces web",
  "manifest_version": 2,
  "name": "Fypii",
  "version": "1.2",
  "homepage_url": "https://fypii.com",
  "icons": {
    "48": "fypii-48.png",
    "96": "fypii-96.png"
  },
  "browser_action": {
    "default_icon": "fypii-48.png"
  },
  "protocol_handlers": [
    {
      "protocol": "irc",
      "name": "Fypii web extension",
      "uriTemplate": "https://fypii.com"
    }
  ]
}