Examine source code of Kwyk Tutor

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "version": "3.0.0",
  "description": "__MSG_extensionDescription__",
  "default_locale": "fr",
  "author": "Patatax",
  "browser_specific_settings": {
    "gecko": {
      "id": "kwyk-tutor@patatax",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "tabs"
  ],
  "host_permissions": [
    "https://www.kwyk.fr/*",
    "https://kwyk.fr/*",
    "https://kwyk-tutor.kwyk-tutor.workers.dev/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.kwyk.fr/*",
        "https://kwyk.fr/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://www.kwyk.fr/*",
        "https://kwyk.fr/*"
      ],
      "js": [
        "inject.js"
      ],
      "run_at": "document_end",
      "world": "MAIN"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "content.js",
        "welcome.html",
        "welcome.js",
        "icons/icon16.png",
        "icons/icon48.png",
        "icons/icon128.png"
      ],
      "matches": [
        "https://www.kwyk.fr/*",
        "https://kwyk.fr/*"
      ]
    }
  ],
  "options_page": "options.html",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}