Examine source code of Vivensis OS Synchronizer

{
  "manifest_version": 2,
  "name": "Vivensis OS Synchronizer",
  "version": "0.9.6",
  "description": "Sincronizador de OS's do Vivensis para Chrome e Firefox.",
  "author": "You",
  "permissions": [
    "https://wfmvsm.vivensis.com.br/*",
    "https://script.google.com/*",
    "https://script.googleusercontent.com/*",
    "https://tvrosynclist.mateusvmendoa.workers.dev/*",
    "https://tvroconsultend.mateusvmendoa.workers.dev/*",
    "https://tvrosyncend.mateusvmendoa.workers.dev/*",
    "tabs",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Vivensis OS Synchronizer",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://wfmvsm.vivensis.com.br/OrdemServico*",
        "https://wfmvsm.vivensis.com.br/OrdemServico/Detalhar/*"
      ],
      "js": [
        "main.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "vivensis-sync@yourdomain.com",
      "strict_min_version": "58.0"
    }
  }
}