Examine source code of Bien’ici PDF

{
  "manifest_version": 2,
  "name": "bienici PDF",
  "description": "Exportez vos annonces bienici en PDF",
  "version": "2.0.3",
  "icons": {
    "128": "icon/128.png",
    "512": "icon/512.png"
  },
  "permissions": [
    "storage",
    "*://www.bienici.com/*",
    "*://file.bienici.com/*",
    "*://static.bienici.com/*",
    "*://storage.gra.cloud.ovh.net/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      },
      "id": "{93e508c1-304e-43d7-97d7-b7dc6c1b22fe}"
    }
  },
  "browser_action": {
    "default_title": "bienici PDF",
    "default_popup": "popup.html"
  }
}