Betrust Token signing

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Betrust Token signing",
  "version": "4.0.1",
  "minimum_chrome_version": "88.0",
  "manifest_version": 3,
  "description": "Sign and authenticate with the Belgian EID Card.",
  "icons": {
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "background": {
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.scribble.be/*",
        "https://*.mypapers.be/*"
      ],
      "exclude_matches": [
        "https://*.scribble.be/download/*",
        "https://*.mypapers.be/download/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "page.js"
      ],
      "matches": [
        "https://*.scribble.be/*",
        "https://*.mypapers.be/*"
      ]
    }
  ],
  "permissions": [
    "nativeMessaging",
    "downloads"
  ],
  "externally_connectable": {
    "matches": [
      "https://*.scribble.be/*",
      "https://*.mypapers.be/*"
    ]
  }
}