Signal

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Signal",
  "version": "2.0.0",
  "manifest_version": 2,
  "description": "Signal",
  "icons": {
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "homepage_url": "https://github.com/Stavrakakis/signal",
  "content_scripts": [
    {
      "matches": [
        "https://meet.google.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_security_policy": "script-src 'self' https://apis.google.com https://www.gstatic.com/ https://*.firebaseio.com https://www.googleapis.com; object-src 'self'"
}