Examine source code of Codenik Meet Recorder

{
  "manifest_version": 3,
  "version": "0.1.45",
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Codenik Meet Recorder",
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png",
      "48": "icons/48.png",
      "128": "icons/128.png"
    }
  },
  "permissions": [
    "storage"
  ],
  "optional_host_permissions": [],
  "content_scripts": [
    {
      "matches": [
        "https://meet.google.com/*"
      ],
      "js": [
        "content-meet.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://meet.google.com/*"
      ],
      "js": [
        "content-overlay.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "commands": {
    "toggle-recording": {
      "suggested_key": {
        "default": "Alt+Shift+R"
      },
      "description": "Start / stop meeting recording on the current tab"
    }
  },
  "name": "Codenik Meet Recorder",
  "description": "Record Google Meet audio or a selected screen, window, or tab and send it to Codenik for transcription and meeting notes.",
  "host_permissions": [
    "https://app.codenik.ru/*",
    "https://s3.ru-3.storage.selcloud.ru/*"
  ],
  "sidebar_action": {
    "default_title": "Codenik Meet Recorder",
    "default_panel": "sidepanel.html",
    "default_icon": "icons/48.png",
    "open_at_install": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "support@codenik.ru",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "browsingActivity",
          "personalCommunications",
          "personallyIdentifyingInfo",
          "websiteContent"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  }
}