Examine source code of Extension LGeL

{
  "content_scripts": [
    {
      "js": [
        "lib/vendors/require.js",
        "injector.js"
      ],
      "matches": [
        "https://www.loups-garous-en-ligne.com/*"
      ]
    }
  ],
  "background": {
    "scripts": [
      "listener.js"
    ],
    "persistent": true
  },
  "description": "Extension pour le jeu LGeL",
  "homepage_url": "https://duo.sorokdva.tk/",
  "icons": {
    "128": "logo128.png"
  },
  "manifest_version": 2,
  "name": "Extension LGeL",
  "permissions": [
    "*://*.loups-garous-en-ligne.com/*",
    "storage",
    "contextMenus",
    "webRequest",
    "notifications",
    "alarms"
  ],
  "version": "2.0.2",
  "web_accessible_resources": [
    "/*.png"
  ],
  "externally_connectable": {
    "matches": [
      "*://*.loups-garous-en-ligne.com/*"
    ],
    "accept_tls_channel_id": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2ff68def-0bff-40ee-85da-525ce1835e14}"
    }
  }
}