Examine source code of Grist Widget Bridge

{
  "manifest_version": 3,
  "name": "Grist Widget Bridge",
  "version": "2.4",
  "description": "Débloque les widgets Grist (CORS, localStorage, upload) sur n'importe quelle instance et hébergeur.",
  "browser_specific_settings": {
    "gecko": {
      "id": "grist-widget-bridge@isaytoo",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "scripting",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "options_page": "options.html",
  "action": {
    "default_popup": "popup.html",
    "default_title": "Grist Widget Bridge",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "grist-host-bridge.js",
        "content-script.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}