Examine source code of Hurlex

{
  "manifest_version": 3,
  "name": "Hurlex",
  "version": "1.0.0",
  "homepage_url": "https://github.com/CodeMathis/extensionUrlToHex",
  "description": "Une extension qui permet de transformer les caractères d'une url que l'on souhaite en sa version hexadecimale qui fonctionne toujours",
  "action": {
    "default_icon": "assets/icon.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "assets/icon16.png",
    "48": "assets/icon48.png",
    "128": "assets/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "mathis.ravier@sts-sio-caen.info"
    }
  }
}