Examine source code of MeetDisconnect

{
  "name": "MeetDisconnect",
  "description": "Tento kvalitní extension Vám umožní se odpojit z meetu bez toho, aniž by jste museli být přítomni.",
  "version": "0.1.1",
  "manifest_version": 2,
  "icons": {
    "128": "img128.png"
  },
  "page_action": {
    "show_matches": [
      "*://meet.google.com/*"
    ],
    "default_icon": "img128.png",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://meet.google.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "permissions": [
    "tabs"
  ]
}