Examine source code of Hipsters

{
  "description": "Ouvre une fenêtre qui montre les topics principaux de Hipsters",
  "manifest_version": 2,
  "name": "Hipsters-Plug-in",
  "version": "0.0.0.1",
  "homepage_url": "https://github.com/Belvrondil56/plug-in_Hipster",
  "icons": {
    "48": "icons/hipsters-48.png"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "chrome_url_overrides": {
    "newtab": "flux.html"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "cookies"
  ],
  "browser_action": {
    "default_icon": "icons/hipsters-48.png",
    "default_popup": "popup.html"
  }
}