Google Chat thread links & quote reply

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Google Chat thread links & quote reply",
  "description": "Adds button to copy links to threads on Google Chat and adds button to messages to quote reply",
  "version": "0.0.13",
  "content_scripts": [
    {
      "matches": [
        "https://chat.google.com/*",
        "https://mail.google.com/chat/*"
      ],
      "all_frames": true,
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ]
}