Examine source code of vip-android

{
  "manifest_version": 2,
  "name": "vip-android",
  "version": "2.3resigned1",
  "applications": {
    "gecko": {
      "id": "vip-android@tony.blanchard.fr",
      "strict_min_version": "48.0"
    }
  },
  "description": "Extension Firefox sous Android pour une VIP (Vie privée): Un greffon pour protéger un maximum votre vie privée",
  "author": "Tony Blanchard",
  "background": {
    "scripts": [
      "moteur.js"
    ]
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "tabs",
    "activeTab",
    "storage",
    "privacy",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "data/js/gestionDomaines.js"
      ],
      "css": [
        "data/css/mon-iu.css"
      ],
      "run_at": "document_end",
      "match_about_blank": false,
      "all_frames": true
    }
  ]
}