Examine source code of Moyennes MyGES

{
  "manifest_version": 2,
  "name": "Moyennes myGES",
  "version": "1.1.0",
  "description": "Calcul automatique des moyennes sur myGES.",
  "content_scripts": [
    {
      "js": [
        "libs/jquery-3.4.1.min.js",
        "js/shared.js",
        "js/storage.js",
        "js/script.js"
      ],
      "css": [
        "css/style-site.css",
        "css/balloon.css"
      ],
      "matches": [
        "https://myges.fr/student/marks",
        "https://myges.fr/alumni/marks"
      ]
    }
  ],
  "icons": {
    "32": "img/32.png",
    "48": "img/48.png",
    "64": "img/64.png",
    "128": "img/128.png",
    "256": "img/256.png"
  },
  "browser_action": {
    "default_popup": "pages/popup.html",
    "default_icon": "img/32.png"
  },
  "permissions": [
    "storage",
    "notifications",
    "webRequest",
    "webRequestBlocking",
    "https://myges.fr/student/marks",
    "https://myges.fr/alumni/marks",
    "https://api.kordis.fr/*",
    "https://authentication.kordis.fr/*"
  ],
  "web_accessible_resources": [
    "libs/jquery-3.4.1.min.js",
    "js/script.js",
    "css/style-site.css"
  ],
  "background": {
    "page": "pages/background.html"
  }
}