Examine source code of Revers Access Token

{
  "manifest_version": 3,
  "name": "Revers Access Token",
  "description": "Extension pour get rapidement un Bearer Token sur l'environnement de son choix.",
  "version": "3.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "reversaccesstoken2@revers.io",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "contextMenus",
    "clipboardWrite",
    "tabs",
    "scripting",
    "activeTab",
    "webRequest"
  ],
  "host_permissions": [
    "https://*.revers.io/*",
    "https://*.b2clogin.com/*"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "logo/logo-16.png",
      "48": "logo/logo-48.png",
      "128": "logo/logo-128.png"
    }
  },
  "background": {
    "scripts": [
      "service-worker.js"
    ]
  },
  "icons": {
    "16": "logo/logo-16.png",
    "48": "logo/logo-48.png",
    "128": "logo/logo-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.revers.io/*"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "content-script.js"
      ],
      "matches": [
        "https://*.revers.io/*"
      ]
    }
  ]
}