Examine source code of Plezi

{
  "icons": {
    "16": "icon16.plasmo.2577fc03.png",
    "32": "icon32.plasmo.d583dc1e.png",
    "48": "icon48.plasmo.e0fcfb1d.png",
    "64": "icon64.plasmo.e6259081.png",
    "128": "icon128.plasmo.96a1ede9.png"
  },
  "manifest_version": 3,
  "action": {
    "default_icon": {
      "16": "icon16.plasmo.2577fc03.png",
      "32": "icon32.plasmo.d583dc1e.png",
      "48": "icon48.plasmo.e0fcfb1d.png",
      "64": "icon64.plasmo.e6259081.png",
      "128": "icon128.plasmo.96a1ede9.png"
    },
    "default_popup": "popup.html"
  },
  "version": "1.0",
  "author": "Plezi",
  "name": "Plezi",
  "description": "Extension Plezi pour les offres One, Plus et Star.",
  "background": {
    "scripts": [
      "static/background/index.js"
    ]
  },
  "permissions": [
    "storage",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "https://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4cad54db-dc65-4fbf-af95-51fe5d282d03}"
    }
  }
}