Examine source code of Talk Time for Google Meet

{
  "manifest_version": 2,
  "description": "Your assistant for 'Google Meet' meetings",
  "name": "Talk Time for Google Meet",
  "author": "Danylo Burmei",
  "version": "3.23",
  "homepage_url": "https://EveryoneShouldHaveAVoice.com/",
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "permissions": [
    "storage",
    "https://meet.google.com/*",
    "https://EveryoneShouldHaveAVoice.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://meet.google.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "resources/*",
    "manifest.json"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ab83fc7e-d61d-4f8f-b430-67bb499e7d52}"
    }
  }
}