Examine source code of Browser Sessions

{
  "manifest_version": 3,
  "name": "Browser Sessions",
  "version": "0.1.4.0",
  "author": "Julen Gaumard",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "permissions": [
    "tabs",
    "storage"
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "browsersession@julen",
      "strict_min_version": "109.0"
    }
  }
}