Examine source code of Lutti Live

{
  "manifest_version": 2,
  "name": "Lutti Live",
  "description": "Extension officielle pour ne jamais rater un live de Lutti l'influenceur",
  "version": "1.0",
  "browser_action": {
    "default_popup": "index.html"
  },
  "icons": {
    "48": "img/icon_48.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}