Examine source code of Meet Party

{
  "version": "1.0",
  "manifest_version": 2,
  "name": "Meet Party",
  "description": "Celebrate with friends on Google Meet",
  "author": "Ananya",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://meet.google.com/*"
      ],
      "css": [
        "styles.css"
      ],
      "js": [
        "contentScript.js"
      ]
    }
  ],
  "permissions": [
    "https://meet.google.com/*"
  ],
  "web_accessible_resources": [
    "assets/*"
  ],
  "browser_action": {
    "default_icon": {
      "16": "assets/iconp.png",
      "48": "assets/iconp.png"
    },
    "default_popup": "popup.html"
  },
  "icons": {
    "128": "/assets/iconf.png"
  }
}