Examine source code of NoteXtension

{
  "manifest_version": 2,
  "name": "NoteXtension",
  "version": "1.9.3",
  "description": "L'extension qui transforme vos tableaux de notes en analyses complètes.",
  "icons": {
    "64": "./assets/icons/favicon64.png",
    "96": "./assets/icons/favicon96.png",
    "128": "./assets/icons/favicon128.png"
  },
  "permissions": [
    "storage",
    "*://*.omneseducation.com/*",
    "*://*.inseec.net/*",
    "*://*.notextension.fr/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://campus-boostcamp.omneseducation.com/myAcademicLife/*"
      ],
      "js": [
        "security.js",
        "OMNES_Content.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://campusonline.inseec.net/note/*"
      ],
      "js": [
        "security.js",
        "OMNES_Inject.js"
      ],
      "all_frames": true
    }
  ],
  "background": {
    "scripts": [
      "security.js",
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_icon": "./assets/icons/favicon96.png",
    "default_popup": "popup.html",
    "default_title": "NoteXtension"
  },
  "content_security_policy": "script-src 'self'; object-src 'self'; connect-src https://notextension.fr https://api.notextension.fr",
  "browser_specific_settings": {
    "gecko": {
      "id": "{497aa040-bf28-4ede-95ac-49d8f1809b08}"
    }
  }
}