Examine source code of Pronote++

{
  "manifest_version": 2,
  "name": "Pronote++",
  "version": "1.1",
  "description": "Ajoute des options de configuration de pronote et des actions amusantes",
  "icons": {
    "48": "icons/icon48.png"
  },
  "browser_action": {
    "default_icon": "icons/icon48.png",
    "default_title": "Pronote++"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.index-education.net/pronote/eleve*"
      ],
      "js": [
        "loading.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "storage",
    "contextMenus"
  ],
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{1bc2896a-1703-412a-8133-4fd6b8fba407}"
    }
  }
}