Examine source code of Shweta no

{
  "name": "Shweta No",
  "version": "0.0.1",
  "description": "Extension to automatically mute you when joining zoom/meet meetings and show red border when you are unmuted",
  "homepage_url": "https://github.com/bhumijgupta/Shweta-no",
  "manifest_version": 2,
  "minimum_chrome_version": "74",
  "icons": {
    "128": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://meet.google.com/*",
        "https://*.zoom.us/wc/*"
      ],
      "js": [
        "shweta-on-meet.js",
        "shweta-on-zoom.js"
      ],
      "run_at": "document_end"
    }
  ]
}