Examine source code of Kanban ISI SIM

{
  "name": "Kanban ISI SIM",
  "version": "1.9",
  "description": "Adicionar o gerador de card personalizado do ISI SIM ao site Kanban.",
  "permissions": [
    "tabs",
    "http://*.kanbanflow.com/*",
    "https://*.kanbanflow.com/*"
  ],
  "incognito": "spanning",
  "content_scripts": [
    {
      "matches": [
        "https://*.kanbanflow.com/*"
      ],
      "run_at": "document_end",
      "js": [
        "kanban.js"
      ],
      "css": [
        "kanban.css"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "manifest_version": 2
}