Examine source code of AntiDigital

{
  "name": "AntiDigital",
  "version": "0.3.2resigned1",
  "description": "Dites STOP au digital, vive le numérique !",
  "manifest_version": 2,
  "icons": {
    "16": "16.png",
    "48": "48.png",
    "128": "128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "main.js"
      ]
    }
  ],
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{563da13a-8159-499e-bc14-85526636a716}"
    }
  }
}