Examine source code of Bnf-Mediapart

{
  "manifest_version": 2,
  "name": "Bnf-Mediapart",
  "version": "1.0",
  "description": "Accès rapide à l'authentification BNF à partir d'un lien public Mediapart",
  "permissions": [
    "activeTab",
    "tabs",
    "storage"
  ],
  "browser_action": {
    "default_icon": "icons/bnf-mediapart.png",
    "default_title": "Accès via BNF"
  },
  "icons": {
    "48": "icons/bnf-mediapart.png"
  },
  "background": {
    "scripts": [
      "bnf-mediapart.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fb8359fd-6b49-4641-8723-ecb36633a646}"
    }
  }
}