Examine source code of Calculateur de Devis

{
  "manifest_version": 3,
  "name": "Calculateur de Devis",
  "version": "1.2",
  "description": "Calcul de prix de devis à partir d'un fichier CSV",
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/devis-16.png",
      "32": "icons/devis-32.png",
      "64": "icons/devis-64.png",
      "128": "icons/devis-128.png",
      "256": "icons/devis-256.png",
      "512": "icons/devis-512.png"
    }
  },
  "icons": {
    "16": "icons/devis-16.png",
    "32": "icons/devis-32.png",
    "64": "icons/devis-64.png",
    "128": "icons/devis-128.png",
    "256": "icons/devis-256.png",
    "512": "icons/devis-512.png"
  },
  "permissions": [
    "storage"
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "devis.contact@jakobel.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "data.csv"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}