Examine source code of eFiable

{
  "manifest_version": 2,
  "name": "eFiable",
  "version": "1.0",
  "description": "Vérifier la fiabilité d'une page web",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "./eFiable.png"
  },
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "efiable@ben.extension",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}