Examine source code of Fusion Agenda Plus

{
  "manifest_version": 2,
  "name": "Fusion Agenda Plus",
  "version": "5.4.3",
  "description": "Simplifiez votre quotidien en garder un oeil sur vos dates importantes.",
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6d2cd2c8-7bb5-444f-beba-1bcce5b0307e}",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "author": "Z. Patterson",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/icon-48.png"
    }
  }
}