Examine source code of PKCS11 module loader

{
  "manifest_version": 2,
  "name": "PKCS11 loader",
  "description": "Configures Firefox to use PKCS11 for authentication",
  "homepage_url": "https://github.com/open-eid/firefox-pkcs11-loader",
  "version": "1.0.5",
  "icons": {
    "32": "id-32.png"
  },
  "permissions": [
    "pkcs11"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "applications": {
    "gecko": {
      "id": "{02274e0c-d135-45f0-8a9c-32b35110e10d}",
      "strict_min_version": "58.0"
    }
  }
}