Gmail Taskbar Unread Badge

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Gmail Taskbar Unread Badge",
  "version": "0.3.0",
  "description": "Add an unread email count badge to Gmail's PWA icon on supported OS's taskbar's or dock's",
  "manifest_version": 3,
  "content_scripts": [
    {
      "matches": [
        "*://*.mail.google.com/mail/u/0/*"
      ],
      "js": [
        "content1.js"
      ]
    },
    {
      "matches": [
        "*://*.mail.google.com/mail/u/1/*"
      ],
      "js": [
        "content2.js"
      ]
    }
  ],
  "icons": {
    "16": "/images/ocfinity16.png",
    "32": "/images/ocfinity32.png",
    "48": "/images/ocfinity64.png",
    "128": "/images/ocfinity128.png"
  }
}